jupyterのpythonでボタン式の関数電卓を作っているのですがその機能に変数x,yと関数用の=を追加して関数グラフを描写するプログラムを下記のプログラムに追加したいのですがどのように追加したらよいでしょうか?
コード python import math import tkinter as tk class Application(tk.Frame): def __init__(self, master=None): super().__init__(master) self.master.geometry('500x700') self.master.title('計算機') self.entry = tk.Entry(self.master, justify="right") self.menu_bar = tk.Menu(self.master) self.master.config(menu=self.menu_bar) self.create_widgets() def input(self, action): self.entry.insert(tk.END, action) def clear_all(self): self.entry.delete(0, tk.END) def clear_one(self): txt = self.entry.get() self.entry.delete(0, tk.END) self.entry.insert(0, txt[:-1]) def entered_value(self): return eval(self.entry.get().replace('÷', '/').replace('x', '*').replace('%', '/100').replace('^','**').replace('√','**0.5').replace('e','math.e')) def equals(self): self.value = self.entered_value() self.entry.delete(0, tk.END) self.entry.insert(0, self.value) def unary(self, function): self.value = function(self.entered_value()) self.entry.delete(0, tk.END) self.entry.insert(0, self.value) def create_widgets(self): file_menu = tk.Menu(self.menu_bar) file_menu.add_command(label='閉じる', command=self.master.quit) self.menu_bar.add_cascade(label='メニュー', menu=file_menu) self.entry.grid(row=0, column=0, columnspan=4, pady=3) self.entry.focus_set() tk.Button(self.master, text='7', width=7, command=lambda: self.input(7)).grid(row=2, column=0) tk.Button(self.master, text='8', width=7, command=lambda: self.input(8)).grid(row=2, column=1) tk.Button(self.master, text='9', width=7, command=lambda: self.input(9)).grid(row=2, column=2) tk.Button(self.master, text='4', width=7, command=lambda: self.input(4)).grid(row=3, column=0) tk.Button(self.master, text='5', width=7, command=lambda: self.input(5)).grid(row=3, column=1) tk.Button(self.master, text='6', width=7, command=lambda: self.input(6)).grid(row=3, column=2) tk.Button(self.master, text='1', width=7, command=lambda: self.input(1)).grid(row=4, column=0) tk.Button(self.master, text='2', width=7, command=lambda: self.input(2)).grid(row=4, column=1) tk.Button(self.master, text='3', width=7, command=lambda: self.input(3)).grid(row=4, column=2) tk.Button(self.master, text='0', width=12, command=lambda: self.input(0)).grid(row=5, column=0, columnspan=2) tk.Button(self.master, text='.', width=7, command=lambda: self.input('.')).grid(row=5, column=2) tk.Button(self.master, text='=', width=7, command=self.equals).grid(row=5, column=3) tk.Button(self.master, text='x', width=7, command=lambda: self.input('x')).grid(row=2, column=3) tk.Button(self.master, text='-', width=7, command=lambda: self.input('-')).grid(row=3, column=3) tk.Button(self.master, text='+', width=7, command=lambda: self.input('+')).grid(row=4, column=3) tk.Button(self.master, text='AC', width=7, command=lambda: self.clear_all()).grid(row=1, column=0) tk.Button(self.master, text='C', width=7, command=lambda: self.clear_one()).grid(row=1, column=1) tk.Button(self.master, text='%', width=7, command=lambda: self.input('%')).grid(row=1, column=2) tk.Button(self.master, text='÷', width=7, command=lambda: self.input('÷')).grid(row=1, column=3) tk.Button(self.master, text='sin', width=7, command=lambda: self.unary(math.sin)).grid(row=1, column=5) tk.Button(self.master, text='cos', width=7, command=lambda: self.unary(math.cos)).grid(row=2, column=5) tk.Button(self.master, text='tan', width=7, command=lambda: self.unary(math.tan)).grid(row=3, column=5) tk.Button(self.master, text='log', width=7, command=lambda: self.unary(math.log10)).grid(row=4, column=5) tk.Button(self.master, text='^', width=7, command=lambda: self.input('^')).grid(row=1,column=4) tk.Button(self.master, text='π', width=7, command=lambda: self.input(math.pi)).grid(row=2,column=4) tk.Button(self.master, text='√', width=7, command=lambda: self.input('√')).grid(row=3,column=4) tk.Button(self.master, text='e', width=7, command=lambda: self.input('e')).grid(row=4,column=4) tk.Button(self.master, text='!', width=7, command=lambda: self.unary(math.factorial)).grid(row=5,column=4) root = tk.Tk() app = Application(master=root) app.mainloop()