编写计算计算1！+2！+3！+4！+…n！

以下是Python代码实现：

n = int(input("请输入n的值："))
factorial = 1
for i in range(1, n+1):
    factorial *= i
    print(f"{i}! = {factorial}")

输出结果：

请输入n的值：5
1! = 1
2! = 2
3! = 6
4! = 24
5! = 120