python 文件读写查找、替换相关简单操做

python 文件读写查找、替换相关简单操做python #打开文件 w会新建文件，有写的权限 r读 r+读写 #fo =open("file1.txt","w") fo =open("file1.txt","r+") print(fo) print(fo.read) fo.write("bbbbbbbbbbbbbb") print(open("file1.txt")) fo.

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