, += (array, pos) in python\ code example

Example 1: array in array python

#You can put multiple arrays in one array
tests = [[1,2,3],["r",22,33]]
#prints: [[1,2,3],['r',22,33]]

Example 2: how to create an array in python

array = ["1st", "2nd", "3rd"]
#prints: ['1st', '2nd', '3rd']
array.append("4th")
#prints: ['1st', '2nd', '3rd', '4th']