The append operator can be used to append values to the end of an array in Python. For example, let's say you have an array of fruit.

fruits = ["apple", "banana", "orange", "grapes"]

In this example, kiwi is appeneded to the end of the array.

fruits.append('kiwi')

You can loop through the array.

for x in fruits:
  print(x)

Kiwi will be included at the end of the array.

apple
banana
orange
grapes
kiwi