def sum_of_squares(n):
    liste1 = []
    for i in range (1,n+1):
        liste1.append(i **2)
    return sum(liste1)

def parentez_square(n):
    total = 0
    for i in range(n+1):
        total += i
    return total**2

a = sum_of_squares(100)
b = parentez_square(100)
print(b-a)

print("*********************")
def all_in_one_dunciton(start,end):
    numbers= [n for n in range(start,end+1)]
    square = [x*x for x in numbers]
    return sum(numbers)**2 - sum(square)
print(all_in_one_dunciton(1,100))