[PYTHON] yukicoder contest 261 Participation record

yukicoder contest 261 Participation record

A 1168 Digit Sum Sequence

It doesn't increase, so if you turn the loop 99 times without thinking about anything, it's OK.

N = int(input())

for _ in range(99):
    N = sum(int(c) for c in str(N))
print(N)

B 1169 Row and Column and Diagonal

I can't solve it.

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