input: def sumOfRanges(start: int, end: int) -> int:
      """Compute the sum of square numbers in a given range, including the start and end numbers.
      >>> sumOfRanges(10, 20)
      673
      """
output:     total = 0
      for num in range(start, end + 1):
          if int(num**0.5)**2 == num:
              total += num
      return total