def __init__(self, **kwargs):
super(HomeScreen, self).__init__(**kwargs)
self.cols = 4
self.padding = 50
#self.add_widget(Label(text='User Name'))
#self.username = TextInput(multiline=False)
#self.add_widget(self.username)
#self.add_widget(Label(text='password'))
#self.password = TextInput(password=True, multiline=False)To
#self.add_widget(self.password)
conjugate= Button(name="conjugate",text="CONJUGATE")
conjugate.size_hint=(.2,.2)
conjugate.halign= 'center'
conjugate.valign='middle'
self.add_widget(conjugate)
self.add_widget(TextInput(multiline = False))
conjugate.padding = (90,90)
