pythonで電卓（ちょいむずめ）（解説はありません）（コードだけ）

電卓のコード

電卓.py

import tkinter as tk
import math

class AdvancedCalculator(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("Advanced Calculator")
        self.geometry("400x600")
        self.result_var = tk.StringVar()

        # エントリウィジェット
        entry = tk.Entry(self, textvariable=self.result_var, font=('Helvetica', 20), justify='right')
        entry.grid(row=0, column=0, columnspan=5, padx=10, pady=10, ipadx=8, ipady=8)

        # ボタンのレイアウト
        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),
            ('sqrt', 5, 0), ('C', 5, 1), ('^', 5, 2), ('(', 5, 3),
            (')', 6, 0), ('sin', 6, 1), ('cos', 6, 2), ('tan', 6, 3),
            ('log', 7, 0), ('exp', 7, 1), ('!', 7, 2), ('π', 7, 3),
        ]

        for (text, row, col) in buttons:
            tk.Button(self, text=text, padx=20, pady=20, font=('Helvetica', 14),
                      command=lambda t=text: self.button_click(t)).grid(row=row, column=col)

    def button_click(self, value):
        current = self.result_var.get()

        if value == '=':
            try:
                result = eval(current)
                self.result_var.set(result)
            except Exception as e:
                self.result_var.set("Error")
        elif value == 'C':
            self.result_var.set("")
        elif value == 'sqrt':
            try:
                result = math.sqrt(eval(current))
                self.result_var.set(result)
            except Exception as e:
                self.result_var.set("Error")
        elif value == '!':
            try:
                result = math.factorial(int(eval(current)))
                self.result_var.set(result)
            except Exception as e:
                self.result_var.set("Error")
        elif value == 'π':
            self.result_var.set(current + str(math.pi))
        else:
            self.result_var.set(current + str(value))

if __name__ == "__main__":
    app = AdvancedCalculator()
    app.mainloop()

以上です☆