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 相关文章: 2021-12-24 2022-12-23 2022-12-23 2021-11-29 2021-11-16 2022-02-24 2021-12-16 2022-12-23