Python Taskbook Level 4.1

Задание 1

You are given a number. Check that the digits of this number are arranged in ascending order.

Задание 2

Given a list:

python[1, '', 2, 3, '', 5]

Remove all empty lines from the list.

Задание 3

Given a list:

python[
  [1, 2, 3],
  [4, 5, 6],
  [7, 8, 9],
]

Print all the elements of this list to the console.