input: Write a python function to print odd numbers from 1 to 50.
  assert print_odd_numbers() == [1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49]
output: def print_odd_numbers():
      return [i for i in range(1, 51) if i % 2 != 0]