The extend() method extends the list by adding all elements of a list to the end of it.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
list1 = ['MIT', 'CIT', 'Yale','UCI']
print("the list1 is: ", list1)
list2= [ 'Yale','UCI']
print("the list2 is: ", list2)
list1.extend(list2)
print("the new list1 is ：", list1)
Output:
the list1 is: ['MIT', 'CIT', 'Yale', 'UCI']
the list2 is: ['Yale', 'UCI']
the new list1 is ： ['MIT', 'CIT', 'Yale', 'UCI', 'Yale', 'UCI']
Syntax
list.extend(seq)
Parameters
| Name | Description |
| seq | A list of elements, which can be lists, tuples, collections, dictionaries. |
Return Value
It doesn’t return any value.