input: Write a function to generate a list of odd numbers from 0 to 50.
  assert generate_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 generate_odd_numbers():
      return [i for i in range(51) if i % 2 != 0]