input: def print_numbers():
      for i in range(1, 51):
          print(i)
  
  print_numbers()
  
  """
  Print out numbers from 1 to 50 in Python.
  >>> print_numbers()
  1
  2
  3
  ...
  49
  50
  """
output:     for i in range(1, 51):
          print(i)