importbase64 path =input("请输入加密文件路径\n") file =open(path) a ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"aaa =''whileTrue: text = file.readline()# 只读取一行内容# 判断是否读取到内容text = text.replace("\n","")ifnottext:breakiftext.count('=') ==1: aaa ...