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(python2.1-lib.info)Console I/O

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Console I/O
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`kbhit()'
     Return true if a keypress is waiting to be read.

`getch()'
     Read a keypress and return the resulting character.  Nothing is
     echoed to the console.  This call will block if a keypress is not
     already available, but will not wait for <Enter> to be pressed.
     If the pressed key was a special function key, this will return
     `'\000'' or `'\xe0''; the next call will return the keycode.  The
     <Control-C> keypress cannot be read with this function.

`getche()'
     Similar to `getch()', but the keypress will be echoed if it
     represents a printable character.

`putch(char)'
     Print the character CHAR to the console without buffering.

`ungetch(char)'
     Cause the character CHAR to be "pushed back" into the console
     buffer; it will be the next character read by `getch()' or
     `getche()'.