| Copyright \copyright{} 1991-1995 by Stichting Mathematisch Centrum, | 
 | Amsterdam, The Netherlands. | 
 |  | 
 | \begin{center} | 
 | All Rights Reserved | 
 | \end{center} | 
 |  | 
 | Permission to use, copy, modify, and distribute this software and its | 
 | documentation for any purpose and without fee is hereby granted, | 
 | provided that the above copyright notice appear in all copies and that | 
 | both that copyright notice and this permission notice appear in | 
 | supporting documentation, and that the names of Stichting Mathematisch | 
 | Centrum or CWI or Corporation for National Research Initiatives or | 
 | CNRI not be used in advertising or publicity pertaining to | 
 | distribution of the software without specific, written prior | 
 | permission. | 
 |  | 
 | While CWI is the initial source for this software, a modified version | 
 | is made available by the Corporation for National Research Initiatives | 
 | (CNRI) at the Internet address ftp://ftp.python.org. | 
 |  | 
 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH | 
 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF | 
 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH | 
 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL | 
 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR | 
 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | 
 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | 
 | PERFORMANCE OF THIS SOFTWARE. |