5cn vs 5cr python

1\n is the classic line_feed on Unix/Linux (his ascii is 10 in decimal and 0a in hexadecimal)
2\r\n is the classic line_feed on Windows
3\r is the classic line_feed on olds version of MacOs (pre-MacOsX version) (his ascii is 13 in decimal an 0d in hexadecimal)

1\n   vs   \r
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3QUESTION:     What is the difference between \n and \r?
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5\n is the newline character, while \r is the carriage return.
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7(They differ in what uses them.)
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9-------  Windows uses   \r\n   to signify the enter key was pressed.
10-------  Linux and Unix use   \n.