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已完成： 猜年龄 猜年龄02 猜生日 圆的面积 第一个数字： 【题目】 以下的静态方法实现了：把串s中第一个出现的数字的值返回。 如果找不到数字，返回-1 例如： s = "abc24us43" 则返回2 s = "82445adb5" 则返回8 s = "ab" 则返回-1 以下的静态方法实现了： 阅读全文
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Tuples by shashank21j Problem Submissions Leaderboard Discussions Editorial Tutorial Tuples by shashank21j Tuples by shashank21j Tuples Tuples by shas 阅读全文
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Lists by shashank21j Problem Submissions Leaderboard Discussions Editorial Tutorial Lists by shashank21j Lists by shashank21j Lists Lists by shashank2 阅读全文
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Lists by shashank21j Problem Submissions Leaderboard Discussions Editorial Tutorial Lists by shashank21j Lists by shashank21j Lists Lists by shashank2 阅读全文
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1，用\\进行转义 2，用a=int(input() )进行整数输入， 阅读全文