class Application(Frame): def init(self, master=None): Frame.init(self, master) self.pack() self.createWidgets()
def createWidgets(self): self.helloLabel = Label(self, text='Hello, world!') self.helloLabel.pack() self.quitButton = Button(self, text='Quit', command=self.quit) self.quitButton.pack()
请问输入完第五行(self.createWidgets())后回车几次? def createWidgets(self)前面需要按空格几次?
createWidgetsshi是Application的方法所以需要4个空格,定义完方法后写内容需要四个空格,多看看前面的,不懂的可以多百度
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class Application(Frame): def init(self, master=None): Frame.init(self, master) self.pack() self.createWidgets()
请问输入完第五行(self.createWidgets())后回车几次? def createWidgets(self)前面需要按空格几次?