create text input and submit button using kivy python

kivy project

 import kivy

from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button

class MyGradeLayout(GridLayout):
    def __init__(self, **kwargs):
        super(MyGradeLayout,self).__init__(**kwargs)
        self.cols=2
        #name:
        self.add_widget(Label(text='name : ',font_size=30))
        self.name=TextInput(multiline=False)
        self.add_widget(self.name)
        #movies:
        self.add_widget(Label(text='movies : ',font_size=30))
        self.movies = TextInput(multiline=False)
        self.add_widget(self.movies)
        #ratig:
        self.add_widget(Label(text='rating : ',font_size=30))
        self.rating = TextInput(multiline=False)
        self.add_widget(self.rating)
        #button
        self.submit=Button(text="submit",font_size=32)
        self.submit.bind(on_press = self.press)
        self.add_widget(self.submit)

    def press(self,instance):
        name = self.name.text
        movies = self.movies.text
        rating = self.rating.text
        #print(f"hello {name}, you love {movies}, because the rating of this moves is {rating}")
        self.add_widget(Label(text=f"Hello {name},\n you love '{movies}' movies,\n because the rating of this moves is {rating}"))
        #after press the button clear input boxes
        self.name.text=""
        self.rating.text=""
        self.movies.text=""



class MyApp(App):
    def build(self):
        return MyGradeLayout()


if __name__=='__main__':
    MyApp().run()