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Python List | extend method
Operations
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schedule Jul 1, 2022
Last updated local_offer Python
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expand_more Python's list.extend(~) method adds all items of an iterable to the end of a list.
Parameters
1. iterable | iterable
The iterable to be added to the end of the list.
Return value
None
Examples
To add all items of list winter_sports to the end of list sports:
sports = ['Basketball', 'Football', 'Tennis']winter_sports = ['Skiing', 'Snowboarding']
sports.extend(winter_sports)
print(sports)
['Basketball', 'Football', 'Tennis', 'Skiing', 'Snowboarding']
Note that even after the above, the winter_sports list remains intact:
print(winter_sports)
['Skiing', 'Snowboarding']
Related
Adding items to a list in Python
In Python, we can leverage list methods list.append(~), list.extend(~) and list.insert(~) to add items to a list.
Separate from list methods, we can also use operator to combine lists, or use slicing to insert items at specific positions.
Difference between append and extend methods in Python
The append method adds a single object to the end of the list while the extend method adds each element from an iterable to the end of a list.
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Published by Isshin Inada
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3.8/tutorial/datastructures.html#more-on-lists
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