题解 | #包含数字9的数#
包含数字9的数
https://www.nowcoder.com/practice/0948f4f3344c452f843afd3585dd0f8d
n = 0 for i in range(1,2020): if '9' in str(i): n += 1 print(n)#题解#
包含数字9的数
https://www.nowcoder.com/practice/0948f4f3344c452f843afd3585dd0f8d
n = 0 for i in range(1,2020): if '9' in str(i): n += 1 print(n)#题解#
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