题解 | 求四位数各个位数之和
求四位数各个位数之和
https://www.nowcoder.com/practice/91fd90931d2847b5855075c11cf90d08
n = input()
print(sum(int(c) for c in n))
求四位数各个位数之和
https://www.nowcoder.com/practice/91fd90931d2847b5855075c11cf90d08
n = input()
print(sum(int(c) for c in n))
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