Python Easy Method to Remove Duplicates in LIST

Here's you can remove duplicates in the List using the SET method. It's a simple method. Just you need SET and Print to remove duplicates. The removing duplicates concept useful when you work in Data science projects.

How to Remove Duplicates in List

A list is a collection of elements. The elements can be duplicates or non-duplicates. Our today's task is to remove duplicate elements that present in the List.

List Python Duplicates

3 Steps to Remove Duplicates
  • Create a List
  • Use SET
  • Print the result

1. Create a List With Duplicate Objects in it

my_list = ['The', 'unanimous', 'Declaration', 'of', 'the', 'thirteen','united', 'States', 'of', 'America,', 'When', 'in', 'the', 'Course', 'of', 'human']

2. Use Set Method Over the List: Below is the Sample Code

>>> non_dupes = set(my_list)

3. Use Print Method to display the Final List

>>> print(non_dupes)

Here, if you observe, there are no duplicates. The duplicates are now removed. It displays only non-duplicate values. 

get rid of duplicates list python

Here 'the' is a duplicate value. That's now removed.

Top List Methods

  1. Append
  2. Extend
  3. Insert
  4. Remove
  5. pop
  6. clear
  7. Index
  8. Count
  9. Sort
  10. Reverse
  11. Copy

Details of List Methods


Adds an item at end of the list.


Extends the list by adding all the items.


Inserts an item at a specified location.


Removes an item from the list. If there are no items, it gives a value error.


Remove the item at the given position in the list, and return it. If no index is specified, a.pop() removes and returns the last item in the list.


It removes all the items from the list.


It gets an index for the given value. The index starts from '0'.


It returns no of times a particular value appears.


It sorts the items.


Reverses the items in the list.


Return a shallow copy of the list.



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