input: Write a function to compute the sum of squares of numbers in a given range.
  assert sum_squares_in_range(2, 8) == 204
  assert sum_squares_in_range(1, 3) == 14
  assert sum_squares_in_range(4, 6) == 77
output: def sum_squares_in_range(start, end):
      return sum(i**2 for i in range(start, end + 1))