encode and decode

msg = "我爱北京"
print(msg)
print(msg.encode(encoding="utf-8"))#转二进制
print(msg.encode(encoding="utf-8").decode(encoding="utf-8"))#转utf-8

我爱北京
b'\xe6\x88\x91\xe7\x88\xb1\xe5\x8c\x97\xe4\xba\xac'
我爱北京