string -------> encode---->bytes-------->decode----->string
arg = "我爱北京"
print(arg.encode(encoding="utf-8"))
print(arg.encode(encoding="utf-8").decode(encoding="utf-8"))
string -------> encode---->bytes-------->decode----->string
arg = "我爱北京"
print(arg.encode(encoding="utf-8"))
print(arg.encode(encoding="utf-8").decode(encoding="utf-8"))
本文标题：字符串与二进制
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