看WEBPY的源码结构有点晕，原来很多语法结构都忘了，继承之些。
再看A BYTE OF PYTHON。慢慢补。。
number = 23 guess = int(raw_input('Enter an integer : ')) if guess == number: print 'Congratulations, you guessed it.' print '(but you do not win any prizes!)' elif guess < number: print 'No, it is a little higher than that.' else: print 'No, it is a little lower than that.' print 'Done!'
