Remove List Duplicates
Learn all about Remove List Duplicates in this comprehensive tutorial.
- •Learn how to remove duplicates from a List in Python.
- •First we have a List that contains duplicates:
- •If you like to have a function where you can send your lists, and get them back without duplicates, you can create a function and insert the code from the example above.
- •Create a function that takes a List as an argument.
Introduction
Learn how to remove duplicates from a List in Python.
Example Explained
First we have a List that contains duplicates:
A List with Duplicates
Create a dictionary, using the List items as keys. This will automatically remove any duplicates because dictionaries cannot have duplicate keys.
Create a Dictionary
Then, convert the dictionary back into a list:
Convert Into a List
Now we have a List without any duplicates, and it has the same order as the original List.
Print the List to demonstrate the result
Print the List
Create a Function
If you like to have a function where you can send your lists, and get them back without duplicates, you can create a function and insert the code from the example above.
Example Explained
Create a function that takes a List as an argument.
Create a Function
Create a dictionary, using this List items as keys.
Create a Dictionary
Convert the dictionary into a list.
Convert Into a List
Return the list
Return List
Call the function, with a list as a parameter:
Call the Function
Print the result:
Print the Result
Module quiz
2 questionsWhich of the following is true about Remove List Duplicates?
What is the most common pitfall when working with Remove List Duplicates?
Answer all questions to submit.