nested_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12, 13]]
#print(nested_list)
#print(len(nested_list))
#print(len(nested_list[1]))
#print(len(nested_list[-1]))
#print(nested_list[1][2])

# Get number 12
#print(nested_list[3][2])
#print(nested_list[-1][2])
#print(nested_list[3][-2])
#print(nested_list[-1][-2])

# Print nested_list

nested_list = [[1, 2, 3], [4, 5, 6, True], [7, 8, 9, 'text'],
               [10, 11, 12, 13], [False, 23, 'hello']]

#for inner_list in nested_list:
 #   print(inner_list)

#for inner_list in nested_list:
#    for number in inner_list:
 #       print(number)

[[print(number) for number in inner_list] for inner_list in nested_list]