input: Write a python function to generate a list of numbers from 0 to a given id.
  assert get_numbers(5) == [0, 1, 2, 3, 4, 5]
  assert get_numbers(3) == [0, 1, 2, 3]
  assert get_numbers(0) == [0]
output: def get_numbers(n):
      return list(range(n + 1))