Escape sequence
\n - Newline. Position the screen cursor to the beginning of the next line.
\t - Horizontal tab. Move the screen cursor to the next tab stop.
\r - Carriage return. Position the screen cursor to the beginning of the current line; do not advance to the
next line.
\a - Alert. Sound the system bell.
\\ - Backslash. Used to print a backslash character.
\' - Single quote. Used to print a sigle-quote character.
\" - Double quote. Used to print a double-quote character.
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