[Python-3000] encode function errors="replace", but print() failed, is this a bug?

["Martin v. Lo"wis"]

> Am I using it in a wrong way or is it a bug?

You are using it in a wrong way. The terminal window, on Windows, does
not use the "mbcs" encoding. Microsoft has two system encodings: the
"ANSI" code page (CP_ACP), called "mbcs" by Python, and the "OEM" code
page (CP_OEMCP). The latter is what the terminal window uses. Python
does not directly expose the Microsoft OEMCP codec; instead, it
determines the terminal's code page, and then carries its own codec for
that code page ("gbk" in your case).

To make your example work, replace "mbcs" with sys.stdout.encoding.

HTH,
Martin