how to add to front of a list python code example

Example 1: append to front of list python

var = 7
array = [1,2,3,4,5,6]
array.insert(0,var)
print(array)
# [7, 1, 2, 3, 4, 5, 6]

Example 2: how to append to front of the list using def method in python 3

['bee', 'moth']
['ant', 'bee', 'moth']
['ant', 'bee', 'fly', 'moth']