def sum_squares(num):
sum = 0
for i in range(1, num + 1):
sum += i * i
return sum
def square_sum(num):
sum = 0
for i in range(1, num + 1):
sum += i
return sum * sum
def sum_square_difference(num):
return square_sum(num) - sum_squares(num)
print(sum_square_difference(100))