版权声明：。 https://blog.csdn.net/weixin_43778797/article/details/90243289
n = int(input("请输入要求累加到的数："))
sum = 0
for i in range(n+1): # 实际遍历到n
sum += i
print(sum)版权声明：。 https://blog.csdn.net/weixin_43778797/article/details/90243289
n = int(input("请输入要求累加到的数："))
sum = 0
for i in range(n+1): # 实际遍历到n
sum += i
print(sum)