看了评论之后简化得只有一行了，还是评论牛逼

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#1 Created at ... [Delete] [Delete and Lock User]

def safe_base64_decode(s): return base64.b64decode(s + b'=' * (len(s) % 4))

#2 Created at ... [Delete] [Delete and Lock User]

真厉害

#3 Created at ... [Delete] [Delete and Lock User]

加一个“=”或两个“==”可以，可以要是参数是13位的话就要加三个“===”，可运行中加三个“=”会出错，有解决的办法吗？还是我绕晕了自己？ ```

#4 Created at ... [Delete] [Delete and Lock User]

这个6666

#5 Created at ... [Delete] [Delete and Lock User]

这是因为两个==，4-2=2，应该是4-len(s)%4

#6 Created at ... [Delete] [Delete and Lock User]

没有考虑str参数啊，你这个只能用于bytes