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In Python’s module named string, there is a line that says whitespace = ' \t\n\r\v\f'.
' ' is a space character.'\t' is a tab character.'\n' is a newline character.'\r' is a carriage-return character.'\v' maps to '\x0b' (11). What does it mean and how might it be typed on a keyboard (any OS)?'\f' maps to '\x0c' (12). What does it mean and how might it be typed on a keyboard (any OS)?
\vis a vertical tab. It was used in line printers to advance about 6 lines or so. It can be typed in *nix by pressing Ctrl-V Ctrl-K.\fis a formfeed. It was used in line printers to advance to the next page. It can be typed in *nix by pressing Ctrl-V Ctrl-L.