Learn python the hard-to-do exercise 45-making a game

Little white self-taught python.

 fromSysImportExit fromRandomImportRandintclassScene (object):defEnter (self):Print "it ' s no use"Exit (1)        classEngine (object):def __init__(self,scene_map): Self.scene_map=Scene_mapdefPlay (self): Current_scene=Self.scene_map.opening_scene () whileTrue:Print "------"Next_scene_name=current_scene.enter () Current_scene=Self.scene_map.next_scene (next_scene_name)classchoosebike (Scene): Model= {        'Bike1':'You got a Merida bike',        'Bike2':'You got a giant bike',        'Bike3':'Congratuations,you got a specialized bike!'        }    defEnter (self):Print """There has three bike they is bike1, Bike2, Bike3.            If you can choose your bike, which would you choose? """Bike= Raw_input (">")                        ifBike = ='Bike1' orBike = ='Bike2' orBike = ='Bike3':                    PrintChoosebike.model[bike]Print "Now , to complete your race with your bike!"            Print "Good luck!"                    return 'Lock'        Else:            Print"Oh no"            Print "Please input agian"            return 'Choosebike'        classLock (Scene):defEnter (self):Print "Oh my god! the bike has locked"        Print "ah! It has a note"        Print "it say ' should guess the number correctly and you can go '"        Print "And you should take notice to your time"        Print "You just"        Print "Please input the number which are a double-digit you guess!" Number="%d%d"% (Randint (0,9), Randint (0,9)) Guess= Raw_input (" -") guesses=0return 'Speedorno'         whileGuess! = number andGuesses < 20: Guesses+ = 1Print "Input Again"Guess= Raw_input (" -")                    ifGuess = =Number :Print "Ahhh You is so samartly"            Print "Now , continue your race"                        return 'Speedorno'                    Else:            Print "\a\a\a\a"            Print "so sorry, your times are uesd out"            Print "You has no time to compelete the race"Exit (1)classSpeedorno (Scene): Results= [            'You is so cool and you got the no.1!! congratuations!!',            'Oh it\ 's a nice race, you got the No.2, Congratuations',            'I belive you'll be the next time!',            'e...it\ ' s really a little pity, you're the No.4, but you're very good,you would better next time!']    defEnter (self):Print "You'll Compelete race immediately,"        Print "want speed, but"        Print "If you speed,your leg could hurted and can ' t go on"        Print "If you aren't speed, you are not speed , and you may win"        Print "But it's probability is smaller and then the speed"        Print "Would you speed ?"Spdorno= Raw_input (">")                Print "You choose%r"%SpdornoPrintSpeedorno.results[randint (1,4)]        return 'finished'classMap (object): Scenes= {        'Choosebike': Choosebike (),'Lock': Lock (),'Speedorno': Speedorno ()}def __init__(self, start_scene): Self.start_scene=Start_scenedefNext_scene (self, scene_name):#The function of Next_scene        returnMap.scenes.get (Scene_name)#system function. get-dictionary            defOpening_scene (self):#The function of Opening_scene and use function next scene        returnSelf.next_scene (self.start_scene) Start= Map ('Choosebike') Game=Engine (start) game.play ()

Some places cite the previous exercise 44, although it is just a simple word game, no meaning.

Learn python the hard-to-do exercise 45-making a game