- a = '12345'
- assert a.encode() == b'12345'
- # test add
- assert b'123' + b'456' == b'123456'
- assert b'' + b'123' == b'123'
- assert b'123' + b'' == b'123'
- assert b'' + b'' == b''
- assert b'\xff\xee' != b'1234'
- assert b'\xff\xee' == b'\xff\xee'
- a = '测试123'
- assert a == a.encode().decode()
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