#!/usr/bin/env python# Filename: raising.pyclass ShortInputException(Exception):	'''A user-defined exception class.'''	def __init__(self,length,atleast):		Exception.__init__(self)		self.length=length		self.atleast=atleasttry:	s=raw_input('Enter something --> ')	if len(s)<3:		raise ShortInputException(len(s),3)	# Other work can continue as usual hereexcept EOFError:	print '\nWhy did you do an EOF on me?'except ShortInputException,x:	print 'ShortInputException: The input was of length %d, \was expecting at least %d' %(x.length,x.atleast)else:	print 'No exception was raised.'