python之禅
python答疑系列 - 鸡兔同笼问题 通过python遍历循环解决经典数学问题
include using namespace std; // 交换 2 个变量的值 void swap
60-69分为'd',60分以下为'e' #include iostream>usingnamespacestd
python字符串转型提取替换切片分割合并
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