input: 
  def print_comparison(x, y):
      """ Print out the greater value between 'x' and 'y'.
      If 'x' is greater, print "x is greater than y".
      Otherwise, print "y is greater than or equal to x".
      >>> print_comparison(5, 3)
      5 is greater than 3
      >>> print_comparison(2, 7)
      7 is greater than or equal to 2
      >>> print_comparison(4, 4)
      4 is greater than or equal to 4
      """
      if x > y:
          print(f'{x} is greater than {y}')
      else:
          print(f'{y} is greater than or equal to {x}')
  
output:     if x > y:
          print(f'{x} is greater than {y}')
      else:
          print(f'{y} is greater than or equal to {x}')