python add to list with index
list.insert(index, element)how to insert an element to the end of the list using insert in python
Syntax : list(index, item)
>>> numbers = [1, 2, 3]
>>> numbers
[1, 2, 3]
>>> numbers.insert(len(numbers), 4) #len(list) as index to insert item at the end of list
>>> numbers
[1, 2, 3, 4]
>>> numbers.insert(4, 5)
>>> numbers
[1, 2, 3, 4, 5]
>>> len(numbers)
5
>>> numbers[4] # last index always will be len(list) - 1. Because index starts at 0.
5
>>> numbers[5] # Throws error since index no 4 is the last index with element 5.
Traceback (most recent call last):
File "<pyshell#8>", line 1, in <module>
numbers[5]
IndexError: list index out of rangepython add to start of list
>>>var=7
>>>array = [1,2,3,4,5,6]
>>>array.insert(0,var)
>>>array
[7, 1, 2, 3, 4, 5, 6]Copyright © 2021 Codeinu
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