L1-013 计算阶乘和 python
python实现
num=int(input()) sum=0 for i in range(1,num+1): mul=1 for j in range(1,i+1): mul*=j sum+=mul print("{}".format(sum))
python实现
num=int(input()) sum=0 for i in range(1,num+1): mul=1 for j in range(1,i+1): mul*=j sum+=mul print("{}".format(sum))