#!/usr/bin/env python
     # encoding: utf-8
     #
     # Copyright (c) 2010 Doug Hellmann.  All rights reserved.
     #
     """Converting from radians to degrees.
     """
     #end_pymotw_header
     
     import math
     
     print '{:^8}  {:^8}  {:^8}'.format('Radians', 'Degrees', 'Expected')
     print '{:-^8}  {:-^8}  {:-^8}'.format('', '', '')
     for rad, expected in [ (0,                  0),
                            (math.pi/6,         30),
                            (math.pi/4,         45),
                            (math.pi/3,         60),
                            (math.pi/2,         90),
                            (math.pi,          180),
                            (3 * math.pi / 2,  270),
                            (2 * math.pi,      360),
                            ]:
         print '{:8.2f}  {:8.2f}  {:8.2f}'.format(rad, math.degrees(rad), expected)