Игра на реакцию

from random import randint
 
from kivy.app import App
from kivy.clock import Clock
from kivy.uix.button import Button
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.label import Label
 
 
class ReactionApp(App):
 
    def stop(self, *args):
        if self.need == self.formula:
            self.count += 3
            self.need = randint(1,100)
            self.lbl4.text = f"[color=#ff3333]Нужное число " + str(self.need)
        elif self.need-2 <= self.formula and self.need+2 >= self.formula:
            self.count += 2
            self.need = randint(1,100)
            self.lbl4.text = f"[color=#ff3333]Нужное число " + str(self.need)
            self.lbl3.text = f"[color=#ff3333]Ваш счёт: " + str(self.count)
        elif self.need-10 <= self.formula and self.need+10 >= self.formula:
            self.count += 1
            self.need = randint(1,100)
            self.lbl4.text = f"[color=#ff3333]Нужное число " + str(self.need)
            self.lbl3.text = f"[color=#ff3333]Ваш счёт: " + str(self.count)
            
        else:
            self.count = 0
            self.lbl3.text = f"[color=#ff3333]Ваш счёт: " + str(self.count)  
            need = randint(1,100)
        self.lbl.text = f"[color=#ff3333]{str(self.formula)}[/color]" + "[color=#ff3333]![/color]"
        self.formula = 100
    
    
    def reset_label(self, *args):
        
        if self.formula < 99:
            self.formula += 1
            self.lbl.text = f"[color=#ff3333]0.{str(self.formula)}[/color]"
            Clock.schedule_once(self.reset_label, 0.01)
        else:
            return
 
 
    def timer(self, instance):
        self.formula = 0
        self.reset_label()
 
 
    def build(self):
        self.count = 0
        self.need = randint(1,100)
        self.formula = 0
        bl = BoxLayout(orientation="vertical" , padding = (20) , spacing = (10))
        self.lbl = Label(text="[color=#ff3333]0[/color]",markup = True , font_size = 80 , size_hint = (1,.6) , font_name = "19681.ttf")
        self.lbl2 = Label(text = "[color=#ff3330]игра на реакцию[/color]" , size_hint = (1,.2), font_name = "19700.ttf" , markup = True , font_size = (80))
        self.lbl3 = Label(text = "[color=#ff3333]Ваш счёт: " + str(self.count), size_hint = (1,.4) , font_size= (80), font_name = "19681.ttf" , markup = True)
        self.lbl4 = Label(text = "[color=#ff3333]Нужное число " + str(self.need) , size_hint = (1,.4), font_size = (80) , font_name = "19681.ttf", markup = True)
        self.btn = Button(text="СТАРТ", size_hint = (1,.3) , on_press=self.timer , background_color = (1,.3,.1,1) , background_normal = "" ,font_size = (60) ,font_name = "19681.ttf")
        self.btn2 = Button(text = "СТОП" , size_hint = (1,.3)  , on_press = self.stop , background_color = (1,.3,.1,1) , background_normal = "" , font_size = (60) , font_name = "19681.ttf")
        bl.add_widget(self.lbl2)
        bl.add_widget(self.lbl3)
        bl.add_widget(self.lbl4)
        bl.add_widget(self.lbl)
        bl.add_widget(self.btn)
        bl.add_widget(self.btn2)
        return bl
 
 
if __name__ == "__main__":
    ReactionApp().run()