n = 5
factorial = 1
for i in range(1, n + 1):
    factorial *= i
print(f"{n}的阶乘是：{factorial}")

numbers = [1, 2, 3, 4, 5]
total = 0

for num in numbers:
    factorial = 1
    for i in range(1, num + 1):
        factorial *= i
    total += factorial

print(f"这些数字的阶乘和为：{total}")

n = 5
total_sum = 0

for num in range(1, n + 1):
    factorial = 1
    for i in range(1, num + 1):
        factorial *= i
    total_sum += factorial

print(f"1到{n}的阶乘和为：{total_sum}")