replace替换字符串

 str.replace(oldStr,newStr)  用新字符串替换旧字符串

例子:

str = "我要睡觉"

oldStr = "睡觉"
newStr = "吃饭"
str.replace(oldStr,newStr)  # 我要吃饭

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转载自www.cnblogs.com/luguankun/p/11901975.html