How to insert elements in list in Python code example

Example 1: python add to list with index

list.insert(index, element)

Example 2: python insert item into list

# to add an item to a list
list.append(item)

# to insert into a list
list.insert(int, element)

Example 3: how to add element in list

list = []
list.append(var)

Example 4: add an element to list python

a=[8,5,6,1,7]
a.append(9)