Yurttas/PL/SL/python/docs/core-python-programming/doc/152/ref/physical.html
2.1.2 Physical lines
A physical line ends in whatever the current platform's convention is for terminating lines. On Unix, this is the ASCII LF (linefeed) character. On DOS/Windows, it is the ASCII sequence CR LF (return followed by linefeed). On Macintosh, it is the ASCII CR (return) character.
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