input: 
  def multiplication_table(start: int, end: int):
      """ Generate a multiplication table for numbers in the range provided by start and end.
      >>> multiplication_table(2, 4)
      4  6  8  
      6  9  12  
      8  12  16  
      >>> multiplication_table(5, 7)
      25  30  35  
      30  36  42  
      35  42  49  
      """
  
output:     for i in range(start, end + 1):
          for j in range(start, end + 1):
              print(i * j, end='  ')
          print()