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Your use case will determine which solution to adopt.
#PYTHON LIST OF DICTIONARIES COMPREHENSION HOW TO#
This post has shown, using three examples, how to find and remove duplicates in a list of dictionaries in Python.
Transpose 2D List in Python (3 Examples). Convert List to Matrix & Vice-Versa in Python (Examples). Check if List of Lists is Empty in Python (2 Examples). Difference Between List & Set in Python. In the video, we explain how to find and remove duplicates in a list of dictionaries in Python.įurthermore, I encourage you to check out other interesting Python list tutorials on Statistics Globe, starting with these ones: Thus, the resulting unique_dictionaries list contains only the unique dictionaries from the original list, with duplicates removed.ĭo you need more explanations on how to find and remove duplicates in a list of dictionaries in Python? Then you should have a look at the following YouTube video of the Statistics Globe YouTube channel. After dropping the duplicates, the resulting DataFrame contains only unique rows.įinally, the to_dict() method is used to convert the DataFrame back into a list of dictionaries, where each dictionary represents a unique row in the original data. The inplace=True parameter ensures that the modifications are made directly to the DataFrame. Your program should put the contents of the input file into a dictionary where the number of. The input file contains an unsorted list of number of seasons followed by the corresponding TV show. Then, the drop_duplicates() method is applied to the DataFrame, which removes any duplicate rows based on all columns. Heres the prompt: Write a program that first reads in the name of an input file and then reads the input file using the file.readlines () method. In the above example, we first create a DataFrame using the input list of dictionaries. append (dictionary ) print (unique_dictionaries ) # print ( type (unique_dictionaries ) ) # items ( ) ) if dictionary_tuple not in unique_set: 
Unique_set = set ( ) for dictionary in dictionaries:ĭictionary_tuple = tuple (dictionary.
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