Python list of dictionaries remove duplicates based on key. 7 and the keys are inserted .

Python list of dictionaries remove duplicates based on key I have a dictionary with names as key and (age, Date of Birth) tuple as the value for those keys. In this article, we’ll explore different ways to filter a list of dictionaries by key from the most efficient to the least. items(): for key,value in dict_snps_genes. E. When sorting dictionary keys, that means they are kept in the same order as returned by dict. list_with_all_keys = [] properties = ['feed_id', 'query_id', 'bind_id'] for obj in dict_list: if all(key in obj for key in properties): list_with_all_keys. For ex, Now I want to remove duplicates and sort the list. from collections import You should consider changing the Question name as dictionaries cannot have duplicate keys in the first place – Paul Seeb. dict = and then iterate that new list, rather than the original dictionary. 13. Remove duplicates from a list of lists based on duplicate first elements [closed] Ask Question Asked 4 years, 4 months ago. remove(r) return rs I want to remove all those key value pairs where the value is 0. I have a list of dictionaries that look like this: [{'id' : '3412' , 'value' : 'x'} , I can find if there are duplicate values in the list using python check if dictionaries value of a key duplicate in list but is there an efficient way to update the dict values Python Remove duplicates from list of dictionaries based on a now I want to remove the duplicate dictionaries where the keys have the same value, e. This is fairly efficient if the duplicate is seen early, but has O(1) if the element is seen late. One option is to create an intermediate dict (not a list of dicts) similar to your second approach. eegData = {key: data[key] for key in data. Expected output: I am new to Python and trying to learn it as much as possible. keys() & gyroKeys} Use data. It iterates through each dictionary in the input list using a for loop. This is what I have. Python remove duplicates in dictionary of lists. Dictionary views give you a set-like object, on which you can then use set operations; & gives you the intersection. chain. To get the final list of filtered dictionaries, convert the temporary dictionary's values into a list. object_pairs_hook to customize how JSONDecoder decodes objects. attrgetter('my_attr') instead of the lambda function for the key. literal_eval(el1) for el1 in set([str(el2) for el2 in time_array_final])] eventually it's working but there is issue I want to retain this data in its original order but the order is Given a dictionary, the task is to find keys with duplicate values. Apr 9, 2024 · On each iteration, we set the value of the current id as the key and the actual dictionary as the value. Python's sort algorithm is a stable sort, so any items that have the same sort 'value', are kept in the order they were in before sorting. Ask Question Asked 8 years, Python Remove duplicates from list of dictionaries based on a value. There is not a direct API for indexing dictionaries, but you can list the keys, select a key by position and then remove it from the dictionary. 0. values() method to only get the Feb 22, 2024 · 💡 Problem Formulation: When working with lists of dictionaries in Python, one common task is to remove duplicates – dictionaries with identical key-value pairs. In Python, filtering a list of dictionaries based on a specific key is a common task when working with structured data. However, since Python dictionaries don't allow for duplicate keys (and you simply can't change that), you can return the pairs unchanged in the hook and get a How do I remove duplicates from a list, while preserving order? In CPython 3. currently I am using the following technique In some of the dictionaries, the value of key1 are repeated and I want to remove them from the list based on date (another key of the dictionary) and keep only the dictionaries that have the earliest date. Removing duplicate pairs in python only where the keys are the same. Another approach to remove duplicates while preserving the order is to use a dictionary. Python: How to sort a list of dictionaries by similar keys. I was around Stack Overflow and I find this question Removing Duplicates From Dictionary the man in the other question has my same problem. Delete an element from a dictionary. 6. For instance, consider a list of dictionaries where each dictionary represents a unique data record. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Most efficient solution would be to use a temporary lookup dictionary with keys as IDs and values as the current dict which has the lowest Number corresponding to that ID. How do I get the number of elements in a list (length of a Python remove duplicates in dictionary of lists. Ask Question Asked 10 years, 11 months ago. I could do this by looping through and using the del statement, but I am wondering how I would create a new list using list comprehensions or lambdas which would just remove all key value pairs where the key was mykey1. I am only looking at one key-value. This hook function will be passed a list of (key, value) pairs that you usually do some processing on, and then turn into a dict. Remove duplicates from list of dictionaries within list of dictionaries. But wanted to check if there is a better way to do it. remove duplicates by key from nested list of objects of custom dictionaries. How to remove duplicate dictionaries based on 2 keys? 1. load() or json. keys() del d[keys[i]] return d Specific case for "double-ups" And since you want just unique elements in the value list, then you can just use a Set as value instead. Input : test_list = [{"Gfg" : 6, "is" : 9, "best" : 10}, {"Gfg" : 8, "is" : 11, "best" : Apr 9, 2024 · To remove the duplicates from a list of dictionaries: Use a dict comprehension to iterate over the list. Use the value of each id property as a key and the dictionary as a value. When keys_to_remove is a set, the not in operation is highly efficient (O(1) on average); Remove multiple keys from a dictionary using pop() In this method, we just use the Python pop() function which is used to remove a single key along with the list comprehension which iterates for the This example uses a set to find and remove duplicates from the list of dictionaries. append(r['key']) else: rs. In other words: if 2 (or more) dicts differ only in a single key (i. How can I remove a key from a Python dictionary? 2282. @imagist, it's nevertheless fastest -- MEASURE it, for goodness sake, don't just ASSUME you know what you're talking about, esp. The goal is to remove duplicate elements of mylist based on the following definition: You can create a tuple of first and second items from inner list to be used as a key in a dictionary. items(): or better still, if on Python 2. keys() or when iterating over the dictionary. Remove the duplicate value in a nested dictionary. For With the demo list of dictionaries created, we will now examine three ways to detect and delete duplicates in the list. How to remove duplicate dictionaries based on 2 keys? 4. If the preferred behavior is to leave single values as that values' type, then we should check for the existence of a key before adding and convert to a list only when that key already existed. How to delete duplicated dictionary objects from a List of dictionaries. Firstly, we created a list of dictionaries according to the syntax and used list comprehension to set a condition and print the filtered list 2 days ago · In this article, we’ll explore three ways to remove duplicates from a list of dictionaries in Python. Since the dict can contain no b twice, the dict's values will be your unique elements. Python Remove duplicates from list of dictionaries based on a value. Also, don't use built-in for your as your variable names. remove duplicates from both if both values are the same; compare the values under the keys and construct your output lists: Remove duplicates from list of tuples based on value at certain index. Using List Comprehension List comprehension is a concise I found a working solution for now. How can I remove a key from a Python dictionary? 1777. Ask Question Asked 8 years, 5 months ago. I have a list: [{'key':'key1', 'version':'1'}, {'key':'key2', 'version':'2'}, {'key':'key3', 'version':'3'}] I want to remove all other keys from the dictionaries in 💡 Problem Formulation: When working with lists of dictionaries in Python, a common challenge is handling the merging of these dictionaries when duplicate keys are present. If you just want to remove the first duplicate, you can create set, append elements to a new list if they are in the set while removing each element from the set as well. You could create a temporary dictionary of dictionaries keyed on the 'name' values from b. Currently I have the following: x = itertools. Getting sorted key value pairs from a dictionary based on two lists with unique How do I check for duplicate dictionaries by a key and remove the dictionaries by a different key? 0. Firstly, we created a list of dictionaries according to the syntax and used list comprehension to set a condition and print the filtered list You can use JSONDecoder. Remove uncommon keys from two dictionaries in Python. Making statements based on opinion; back them up with references or personal experience. What I am trying to do is look through the nested dictionaries and count how many times mentions value is a duplicate, then if that count is 10 remove the nested dictionary (APPL, NIO and so on). Viewed 3k times Python, remove duplicates from list of tuples. We then use the dict. It's one of the differences between Python dictionaries and JSON objects. Stack Overflow. Also, you can use a defaultdict here, so that you don't have to test for key existence before adding. I have to merge two dictionaries into one dictionary with removing duplicate entries and add if not present in the first dictionary. I'm trying to convert my list of tuples into a dict which contains the values at that location, joined into a list. I want to compare the lists and. You can do the job by hand too, for example: You are looping over keys, but trying to assign those to both a key and value variable: for key,value in dict_snps_genes: change that to loop over . The temporary dictionary creation process could skip names found in a as it goes. 4. However, I want the removed duplicates to be relative to the other values in the value list they’re in, not the value lists of the entire dictionary. If I had NIO, APPL, TSLA, EPR, EKG, LPD, TTL, AGR, JKR, POP as nested dictionaries and they each had their mentions key set to a value of 5 then I would want to I wonder if there is simple way to remove one or more dictionary element(s) (based on the found keys) from myDict How can I remove a key from a Python dictionary? 2223. A frozensetis an immutable set, and since sets don’t allow duplicates, it helps us remove repeated dictionaries efficiently. Python Remove duplicates from Is there a better way to remove the duplicates and only keep the minimum value for each key in my dictionary without looping into the dictionary and without creating a new dictionary to append in i Getting sorted key value pairs from a dictionary based on two lists with unique elements. The keys in a dictionary are unique, so any duplicate values get filtered out. x, use `. Given n lists with m dictionaries as their elements, I would like to produce a new list, with a joined set of dictionaries. You can use a set to track which groups you have already seen to filter out subsequence dictionaries that fall in the same: grouped = {} for d in test_list: group_key = d['Letter'], d['Word'] grouped. By removing duplicates I mean for example remove multiple entries of same dictionary like {'a':100, 'b':[100,200,300]} in the first and second list. For example I have a called reader with the following: [{'name': Idea is to sort the list of dict based on year and then iterate over the list. ; Initialize a defaultdict object and set its default value to an empty list. I need to simplify a dictionary by removing all the keys on it with the same value ( Skip to main content. 7459. And then convert dictionary to list when delete duplicate is finished. I want to make a function that first merges the duplicate entries by key in a dictionary, then removes the duplicate values in each key. 1. setdefault(group_key, []). Do note that this ordering is arbitrary, and not stable across changes to the dictionary. Then at the end, you can convert this intermediate dict into a list of dicts. unique(obj_list, key=lambda x: x. 2. when you obviously don't;-), ESPECIALLY when the item to remove is the first (it avoids moving every other item). So now, only based on the author I want to remove duplicates from this list of dictionary irrespective of other key values. Hot Network Questions Creative usage of I have a list of dictionaries, in very documents I want to keep only words which are in group of 3( for ex 'done auto manufacturing') and after filtering I wan to keep top 2 grams which based on values and if values are same then top two keys in the dictonary. To delete dictionaries with duplicate values I want to uniqify the list of dicts based on key and timestamp. I wrote this script that removes duplicates based on lastnames, entries = set() for row in reader: key = (row[0], row[1]) # instead of just the last name if key not in entries: writer. How do I remove the first item from a list? How would I delete all corresponding dictionaries in a list of dictionaries based on one of the dictionaries having a character in it. Approach: Import the defaultdict module from the collections library. Sign up or log in. In this first example, we will use a for loop and the set () function to get and remove duplicates in the list of dictionaries: Dec 5, 2024 · I have an intriguing challenge for you - imagine you have a list filled with dictionaries, and your goal is to remove any duplicates based on identical key-value pairs. I've got list similar to that but its length will vary and the content too. The dictionaries will always have the same keys. Remove duplicate dict in list in Python. Hot Network Questions Reliability of the hadith, The Friday prayer in congregation is Note: since dictionaries are unordered in Python <3. loads() to return one that has has values with duplicate keys. Well, lets start with what you probably should do: Use a database, they love to solve these problem. Modified 10 years, 11 months ago. Ask Question Asked 11 years, 9 months ago. I'm writing a program in Python that is meant to remove uncommon keys and their associated values from two dictionaries. python; algorithm; or ask your own question. One way to remove duplicates from Dec 24, 2024 · Filtering a list of dictionaries in Python can be efficiently achieved using list comprehensions, the filter() function with lambda or regular functions, and for loops to select Dec 30, 2024 · Comparing a list of dictionaries in Python involves checking if the dictionaries in the list are equal, either entirely or based on specific key-value pairs. – As of Python 3. Use 'code_id' for dictionary key. iteritems(): Making statements based on opinion; back them up with references or personal experience. And there's no indication in the original question that every dict in the list MUST always have a different value corresponding to 'id'. , version has the value v1 and only keep the most current one but I don't know that the value is v1 so I have to check for duplicates in version without knowing the value. Method #5: Using collections. Method #1: Using Naive approach In this method first, we convert dictionary values to keys with the inverse How to remove a key by position. g. Sets, as you're probably aware, will also remove duplicates. Below is the code that I have so far, this gets me as far as having two dictionaries but 1) I think this is horribly inefficent and 2) I can't work out how to remove the first instance of a duplicate dictionary. 17. For example: >>> hand {'a': 0, 'i': 0 How do i remove a key from a dictionary based on value?-1. When keys are encountered again, the look-up proceeds normally (returning the list for that key) and the list. Share. How to remove duplicates of given value in list of JSON objects? 0. In your case, that would be roughly: So in the example the first and third dictionary are the same. I'm new to python and I'm trying to achieve the following: You can create a dictionary that maps IP addresses to the list of the objects. In Python Dictionary, items() are the list with all dictionary keys with values Coming to filtering the dictionary based on the key values, we have seen three approaches. from_iterable(results[env] Making statements based on opinion; back them up with references or personal experience. I'm trying to remove duplicate values in my dict but its not working: The problem is that you iterate through each key in the dictionary in your for loop python dict remove duplicate values by key's value? 43. Ask Question Asked 11 Making statements based on opinion; back them up with references or personal python dictionary remove duplicate key values pairs. 7 and the keys are inserted If you want to use a functional programming style in Python, you may want to check out the toolz package. python remove keys whose values add up to a total. defaultdict. keys() & eegKeys} gyroData = {key: data[key] for key in data. Also, when the items get removed by I want to remove the duplicate dictionaries in the list based on the user's email address (good so far), the problem I have is that if the user is duplicated and the "resultRole" key has the value "multiplex", it remains and the other duplicate is removed. 7+), dictionaries are ordered, (which is I have a pretty basic (but not quite working) function to dedupe a list of dictionaries from key values by adding the key value to a list for keeping track. viewkeys() if you are using Python 2 still. Commented May 18, 2012 at 14:48. Use the dict. my_attr) For better performance, you could use operator. 7, dictionaries are ordered collection of data values, used to store data values like a map, which, unlike other Data Types that hold only a single value as an element, a Dictionary holds a key: value pair. Loop through all entries in list_of_unique_dicts, if the key for this entry doesn't exist in the intermediate dict, add it, otherwise update the value in the intermediate dict. Remove duplicates key from list of dictionaries python. Many thanks Python - Remove duplicate key from a list of dictionaries. The goal is to exclude all but one dictionaries describing copies of the same file (I just want a single dict (entry) per file, no matter how many copies there are. Ask Question Asked 7 years, 9 months ago. Python - remove duplicate item from list of dictionaries based on dictionary value. The list. Remove duplicates from a list of dictionaries when only one of the key values is different. This implementation will have all values in the resulting defaultdict be of type list even if there is no duplicate value within the key. python check if dictionaries value of a key duplicate in list. values() method to only Feb 22, 2024 · 💡 Problem Formulation: When working with lists of dictionaries in Python, one common task is to remove duplicates – dictionaries with identical key-value pairs. Python remove duplicate values of Sometimes, while working with Python dictionaries, we can have a problem in which we need to remove a specific key from a dictionary list. Compare two dictionaries, remove key/value pair in one dict if it exists in the other. To learn more, see our tips on writing great answers. Python Remove duplicates and original from nested list based on specific key. This will only keep the last dictionary for each name. I have a list of dictionaries, Making statements based on opinion; back them up with references or personal experience. compiled_list = list() compiled_list_keys = list() duplicates_list = list() for attribute in attribute_list: for k, v in attribute I have a list of dictionaries each of them describing a file (file format, filename, filesize, and a full path to the file [always unique]). I have the following list of dict records, from which I need to extract all the duplicates (based on the label) and leave one per label in the original records. There's another possible solution here – I have a list of dictionaries that has some duplicate IDs in and I would like to keep the dictionaries that have a value under rsrp and remove the ones that have 0, but if there is a duplicate that has rsrp of 0 in twice I need to keep it. dict does what I want, except it removes the duplicates, which is what I don't wa I used an ordered dictionary because it's ordered and removes duplicate keys, we don't care about the values of the dictionary - but there's no builtin ordered set – MSeifert Commented Sep 24, 2018 at 9:38 Sometimes, while working with Python dictionaries, we can have a problem in which we need to remove a specific key from a dictionary list. I need to remove all key values pairs from all dictionaries where the key is equal to mykey1. >>> unique = {} >>> for x in lst: Is it possible to get which values are duplicates in a list using python? I have a list of items: mylist = [20 [i for key in (key for key, count in Counter(mylist). When an element is not seen, append the rest of the list. This process helps to identify if two lists of dictionaries are identical or have any differences. remove duplicates dictionary from a list based on a specific key and value. writerow (row python remove duplicate dictionaries from a list. Method 3: Using a Dictionary. Find duplicates based on specific key/value only-1. Each dictionary is guaranteed to have a key called "index", but could have an arbitrary set of keys beyond that. Here’s how it I think that you mean is that every 'key' field should be unique over all the datas. Assuming you're doing this in Python 3. Related. Dictionary< int Merge two dictionaries and remove duplicate keys and sort by the value. 3 removed. Removing Duplicates From Dictionary. All the keys in a dictionary must be unique, so there's not way to for json. Modified 8 years, Making statements based on opinion; back them up with references or personal experience. In Python, dictionaries are key-value pairs where keys are unique. 7 or later, where dict keys are ordered, you can create an iterator from the dict keys and use the next function to obtain the first key, so that you can use the del statement to remove that key:. Make a dictionary (dict) from separate lists of keys and values. Remove values from dictionary based on key values. Remove duplicated record from list of dict by key, Remove duplicate keys in dictionary/JSON object from list by keep the highest number. I would like to filter out any dictionaries with a duplicate url key even if the max key is different from the other duplicate entry. append(d) test_list = Related, not exact duplicate as here we only want to consider one key when considering duplicates: Remove duplicate dict in list in Python – jpp Commented Jan 4, 2019 at 13:04 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Time complexity: O(n^2), where n is the number of key-value pairs in the original dictionary. Need to remove duplicate keys without removing entire dictionary. append(obj) dict_with_no_duplicates = {tuple(d[k] for k in properties): d for d in list_with_all_keys} I uploaded a a csv file using DictReader so I essentially have a list of dictionaries. If the slug is duplicated as in the example above it should just ignore it. What are metaclasses in Python? 3413. Would getting a list of the python check if dictionaries value of a key duplicate in list. I am stuck with a silly problem where I want to remove certain dictionary items of a list based on selective key-value pairs. you need to use set for values to remove duplicates then sort your items based on keys and finally to keep your dictionary in sort use OrderedDict. Let’s discuss certain ways in which this task can be performed. Remove duplicates from list of tuples based on value at certain index. e. Let's discuss a few methods for the same. How to remove duplicates from list of dicts? 1. 6, the order of sub-lists in the resultant lists might differ. iteritems(): for key,value in dict_snps_genes. Duplicates may arise due to data entry errors or during data processing. . I want to remove the duplicate dictionaries from this list. 3. Note that even if v not in uniqueValues was the correct test, you'd have added {'Key': 'US', 'Val': 'NewYork'} to uniqueValues already, and python list of dictionaries find duplicates based on value. Python Remove duplicates from list of dictionaries based on a I have a dictionary, and for each key I have a list of tuples. append() operation adds another value to the list. to remove the duplicates from the list and then append it into a dictionary! input_list = list(set(input_list)) How to turn a python dictionary into a list with intentionally duplicate values. key: x Python - Remove duplicate key from a list of dictionaries. items() if count > 1) for i Even if you correct it to return a, that removes the duplicates, but the question was "is it possible to know what values are being duplicated . I have a two list of dictionaries, and I'm trying remove duplicates in their structure. Auxiliary space: O(n), where n is the number of unique values in the original dictionary. Edit : if you want to all values have the same length as max value use the following : def remove_duplicates(myList): return list (set(myList)) From looking at your code it seems that you are not bothered about the ordering of elements and concerned only about the uniqueness. ) Removing elements from list of dictionaries based on condition. So use the dictionary grouping idiom: >>> grouper = {} >>> for d in scores: You'd want to group your dictionaries first, then keep only the dictionary with the highest value for 'Count' in each group. (I'll remove the Python 2 bits from this answer – I guess they are no longer relevant. I need to remove the duplicates of the 1st position in tuple, but I need to keep the highest value from the 2nd position. Would like to convert list into dictionary, but here I have duplicate keys and it should not be considered in output_dict. For each dictionary, it converts the key-value pairs into a tuple using the Your dictionaries are not duplicates as a whole, you are defining them as unique by the value of Key only, so v not in uniqueValues won't find {'Key': 'US', 'Val': 'NewYork'} when you test with {'Key': 'US', 'Val': 'Washington'}. Here is what I tried: import ast final = [ast. Removing duplicates in clean it up, remove the -n at the end, you can use split or substring for it; insert the word to a data structure called Counter; traverse the keys in the counter if the key occurrence is 1, print the string; else concatenate -+ number of occurrences to the end of the key and print it Check out How to Save an Array to a File in Python. How do I check for duplicate dictionaries by a key and remove the dictionaries by a different key? 0. How to remove duplicate values from a list of Python dictionaries where tbh I think your fisrt version was better, not returning the dictionary because as you said the original will already have the updated keys and you are not "wasting" the return value to return something already existent and the method could be modified in the future to return for example the number of values removed without changes to the already existent calling code. Sign up using Google Map multiple lists of values to a list of keys in a python dictionary? Related. Apr 14, 2023 · Given a list of dictionaries, remove all the dictionaries which are duplicate with respect to K key. Instead of dict some other variable. Feb 22, 2024 · 💡 Problem Formulation: You’re working with a list of dictionaries in Python, and you need a way to remove duplicates based on a specific key while preserving the original order. def remove_key(d, i): 'Mutate the dictionary to remove i-th key' keys = d. Apr 27, 2023 · Coming to filtering the dictionary based on the key values, we have seen three approaches. Detect and delete duplicates based on specific dictionary key in a list of dictionaries. How to remove duplicate values from a list of Python dictionaries where order is preserved? 1 Use a dictionary to map objects by their b attribute. For preserving the order of elements in the sublist while merging, take a look at: Pythonic way to merge two overlapping lists, preserving order This is yet again an example of where you want to group by a key then aggregate the other keys, in this case, you aggregation is to take max of the other keys. Output should be as follow with entry no. ( author is repeated) Yes, a dictionary has to have unique, hashable keys, so you'll need to look at non-keyed collections such as lists or tuples. 14. path) - leave I want to flatten this 2D list into a 1D list and then remove duplicate dictionaries. So, you can modify your merge method as: . Python - Remove duplicate key from a list of dictionaries. 💡 Problem Formulation: When working with lists of dictionaries in Python, one common task is to remove duplicates – dictionaries with identical key-value pairs. Removing duplicates in lists. def dedupe(rs): delist = [] for r in rs: if r['key'] not in delist: delist. How can I remove a key from a Python dictionary? 1489. With toolz, you could simply do: toolz. Ideally, we might want to combine these dictionaries in such a way that the value associated with each duplicate key is handled according to a predefined logic; for instance, summing up the values I want to turn this list into a dictionary of dictionaries with the key being slug. Can anyone suggest a good solution to remove duplicates from nested lists if wanting to Can anyone suggest a good solution to remove duplicates from nested lists if wanting to evaluate duplicates based on Doesn't the first one also preserve order because dicts preserve order since Python 3. import itertools import operator import pprint l = [ {'firstname': 'joe', 'surname': 'bloggs'}, {'firstname': 'john', 'surname': 'smith'}, {'firstname': 'joe How would I dedupe a list of dictionaries in Python if a specific key, value (i. 6+ (and all other Python implementations starting with Python 3. Sign up or log in Python - Remove duplicate key from a list of dictionaries. Removing duplicate dictionaries in list of dicts based on value uniqueness for a given key. By using the array elements as keys in a dictionary, we can effectively remove duplicates. data = Removing dictionaries from a list on the basis of duplicate value of key. Order is not important in the end data will be sorted by either 1st or 2nd position depending which will be more needed. How to remove duplicate dictionaries based on 2 keys? 5. This can either be by copying over the other entry or not bothing to reset it, I'm not bothered as they should be the same. Removing repeated dictionaries in a list of dictionaries based on 2 keys. Using Dict Comprehension to Filter Duplicates. combine duplicates values in list of dictionaries with a certain key. 1084. d = {'s':0, 'e':1, 't':6} del d[next(iter(d))] print(d) Python - Remove duplicate key from a list of dictionaries. append() operation then attaches the value to the new list. I have tried looking at Find duplicates in python list of dictionaries and python list of dictionaries find duplicates based on value, but I can't find the exact answer. However, it’s more limited because frozen sets can’t contain other dictionaries. Using dictionary comprehension will create a new dictionary with filtered items. python - remove a dictionary from a list if dictionary key equals a certain value. This kind of problem is very common and has application in almost all domains including day-day programming and web development domain. kymbfb jqgh rjei nsnq xiaxdfb kila ipupsu mmscr vxqalfm urxnd