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