试试理解这个小程序。请选择合适的代码使得如下的程序能够实现在程序Frame中按下鼠标左键时，在鼠标按下的位置出现一个Button，如下图所示。http://edu-image.nosdn.127.net/6F9E2960D773BA3D7598270EA2E5C44B.jpg?imageView&thumbnail=890x0&quality=100import wxclass MyFrame(wx.Frame): def __init__(self, parent, title): wx.Frame.__init__(self, ____, title = title) self.panel = wx.Panel(self) self.____(wx.EVT_LEFT_UP, self.OnClick) self.Show(True) def OnClick(self, event): posm = event.GetPosition() wx._____(_____, label = Hi~~~, pos = (posm.x, posm.y))if __name__ == __main__: app = wx.App() frame = MyFrame(None, Hello Python) app.MainLoop()

The mirror test is used to investigate children’s recognition of ( ). A: Spiritual self B: Subjective self C: Material self D: Objective self

以下程序的输出结果是（）。 classA: deffun1(self):print("fun1A") deffun2(self):print("fun2A") classB(A): deffun1(self):print("fun1B") deffun3(self):print("fun2B") b=B() b.fun1() b.fun2() a=A() a.fun1() a.fun2()

self表示

class Student:def __init__(self,name,age):self.name=nameself.age=agedef fun1(self):print("hello")（ ）def fun2(self):print("yes")child=Child("Tom",20)child.fun1()

在A类的某个方法中，“super()”等价于（ ）。? super(self)|super|super(A,self)|super(A)

Express your self in English.

Find your true self and

关于self关键字说法错误的是（） A: 每个类属性定义前都要加self关键字； B: 每个对象属性定义前都要加self关键字； C: self关键字传递的是当前对象自身； D: 函数内部定义的变量时不使用self关键字，则说明定义的是函数内部局部变量;

Which two magazines are published by the same publisher A: Wired and Instyle. B: Discover and Instyle. C: Self and Discover. D: Self and Wired.