x.insert(y) in pyhton code example

Example 1: add element to list python at index

thislist = ["apple", "banana", "cherry"]
thislist.insert(1, "orange")

Example 2: insert python3

a = [1,2,3,4,5]

#a.insert(index_to_insert_at, num_to_insert)
a.insert(0, -1)

# a is now: [-1,1,2,3,4,5]