input: Write a function to generate a multiplication table with numbers in a range given start and end parameters.
  
  def multiplication_table(start, end):
  	for x in range(start, end + 1):
  		for y in range(start, end + 1):
  			print(x * y, end = "  ")
  		print("\n")
  		
  assert multiplication_table(5, 10) is not None
  assert multiplication_table(2, 4) is not None
  assert multiplication_table(1, 3) is not None
  assert multiplication_table(7, 9) is not None
  assert multiplication_table(3, 6) is not None
output: def multiplication_table(start, end):
      for x in range(start, end + 1):
          for y in range(start, end + 1):
              print(x * y, end="  ")
          print("\n")