main.py

from kivymd.app import MDApp
from kivymd.uix.screen import MDScreen
from kivymd.uix.button import MDRaisedButton
from kivymd.uix.textfield import MDTextField
from kivymd.uix.label import MDLabel
from kivymd.uix.boxlayout import MDBoxLayout
import random

class NumberGuessScreen(MDScreen):
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.target = random.randint(1, 20)
        self.tries = 3
        self.layout = MDBoxLayout(orientation='vertical', spacing=20, padding=40)
        self.label = MDLabel(text="Guess a number between 1 and 20", halign="center", theme_text_color="Primary")
        self.input = MDTextField(hint_text="Enter your guess", input_filter="int", multiline=False)
        self.button = MDRaisedButton(text="Guess", on_release=self.check_guess)
        self.result = MDLabel(text="", halign="center", theme_text_color="Secondary")
        self.layout.add_widget(self.label)
        self.layout.add_widget(self.input)
        self.layout.add_widget(self.button)
        self.layout.add_widget(self.result)
        self.add_widget(self.layout)

    def check_guess(self, instance):
        guess = self.input.text
        if not guess.isdigit():
            self.result.text = "Please enter a valid number."
            return
        guess = int(guess)
        if guess == self.target:
            self.result.text = f"Correct! The number was {self.target}."
            self.button.disabled = True
        else:
            self.tries -= 1
            if self.tries == 0:
                self.result.text = f"Game over! The number was {self.target}."
                self.button.disabled = True
            else:
                if guess < self.target:
                    self.result.text = f"Higher! Tries left: {self.tries}"
                else:
                    self.result.text = f"Lower! Tries left: {self.tries}"

class NumberGuessApp(MDApp):
    def build(self):
        return NumberGuessScreen()

if __name__ == "__main__":
    NumberGuessApp().run()