МОЙ КАЛЬКУЛЯТОР СПАСЕТ РОССИЮ ОТ ТЕХНОЛОГИЧЕСКОЙ ЗАВИСИМОСТИ

import tkinter as tk class Calculator(tk.Tk): def __init__(self): super().__init__() self.title("Simple Calculator") self.geometry("400x400") self.result_var = tk.StringVar() self.create_widgets() def create_widgets(self): # Entry to display the result result_entry = tk.Entry(self, textvariable=self.result_var, font=("Arial", 24), bd=10) result_entry.grid(row=0, column=0, columnspan=4) # Buttons for numbers and operators buttons = [ ("7", 1, 0), ("8", 1, 1), ("9", 1, 2), ("/", 1, 3), ("4", 2, 0), ("5", 2, 1), ("6", 2, 2), ("*", 2, 3), ("1", 3, 0), ("2", 3, 1), ("3", 3, 2), ("-", 3, 3), ("0", 4, 0), (".", 4, 1), ("+", 4, 2), ("=", 4, 3), ] for (text, row, col) in buttons: button = tk.Button(self, text=text, font=("Arial", 18), width=5, height=2, command=lambda t=text: self.on_button_click(t)) button.grid(row=row, column=col) def on_button_click(self, text): if text == "=": try: expression = self.result_var.get() result = eval(expression) self.result_var.set(result) except: self.result_var.set("Error") else: current_text = self.result_var.get() new_text = current_text + text self.result_var.set(new_text) if __name__ == "__main__": app = Calculator() app.mainloop()