Язык программирования python

 import tkinter as tk 
from tkinter import messagebox 
import math 
 
 
class VolumeCalculatorApp: 
    def __init__(self, root): 
        self.root = root 
        self.root.title("Калькулятор объема") 
 
        self.shape_var = tk.StringVar(value="Куб") 
        self.shape_var.trace("w", self.update_entries) 
 
        self.shapes = ["Куб", "Сфера", "Цилиндр"] 
        tk.Label(root, text="Выберите фигуру:").grid( 
            row=0, column=0, padx=10, pady=5) 
        self.shape_menu = tk.OptionMenu(root, self.shape_var, *self.shapes) 
        self.shape_menu.grid(row=0, column=1, padx=10, pady=5) 
 
        tk.Label(root, text="Длина ребра (Куб) / Радиус (Сфера, Цилиндр):").grid(row=1, 
                                                                                 column=0, padx=10, pady=5) 
        self.entry_1 = tk.Entry(root) 
        self.entry_1.grid(row=1, column=1, padx=10, pady=5) 
 
        self.label_2 = tk.Label(root, text="Высота (Цилиндр):") 
        self.label_2.grid(row=2, column=0, padx=10, pady=5) 
        self.entry_2 = tk.Entry(root) 
        self.entry_2.grid(row=2, column=1, padx=10, pady=5) 
 
        self.calculate_button = tk.Button( 
            root, text="Вычислить объем", command=self.calculate_volume) 
        self.calculate_button.grid(row=3, column=0, columnspan=2, pady=10) 
 
        self.update_entries() 
 
    def calculate_volume(self): 
        shape = self.shape_var.get() 
        try: 
            if shape == "Куб": 
                side = float(self.entry_1.get()) 
                volume = side ** 3 
            elif shape == "Сфера": 
                radius = float(self.entry_1.get()) 
                volume = (4/3) * math.pi * radius ** 3 
            elif shape == "Цилиндр": 
                radius = float(self.entry_1.get()) 
                height = float(self.entry_2.get()) 
                volume = math.pi * radius ** 2 * height 
            else: 
                raise ValueError("Unsupported shape") 
 
            messagebox.showinfo( 
                "Объем", f"Объем {shape.lower()} равен: {volume}") 
        except ValueError as e: 
            messagebox.showerror("Ошибка", str(e)) 
 
    def update_entries(self, *args): 
        shape = self.shape_var.get() 
        if shape == "Куб" or shape == "Сфера": 
            self.label_2.grid_remove() 
            self.entry_2.grid_remove() 
        elif shape == "Цилиндр": 
            self.label_2.grid() 
            self.entry_2.grid() 
 
 
if __name__ == "__main__": 
    root = tk.Tk() 
    app = VolumeCalculatorApp(root) 
    root.mainloop()