SumSquareDifference

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))