input: Write a python function to generate a list of numbers from 1 to 50.
  assert generate_number_list() == [i for i in range(1, 51)]
  assert generate_number_list() == list(range(1, 51))
  assert generate_number_list() == [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50]
output: def generate_number_list():
      return list(range(1, 51))