How to convert tkinter buttons into menu items?

I am attempting to repurpose some code I have written for a text editor by swapping out buttons for menu items. The current code I have runs without error. However, the menu items are not populated inside the root window. I have provided the code for the original text editor with the buttons and new text editor with the menu items below.

---------------------------#Editor with buttons-----------------------

import tkinter as tk import tkinter.scrolledtext as ts import os.path class Editor: def __init__(self, win): self.root = win self.root.title('editor') self.root.geometry('500x400+600+200') #heading self.lblHeading = tk.Label(self.root, text = 'Text editor', font = ('Times New Roman', 14), bg = 'white') self.lblHeading.place(relx = 0.5, rely = 0.1, anchor = tk.CENTER) self.textarea = ts.ScrolledText(self.root, wrap = tk.WORD, width = 50, height = 10, font = ('Times New Roman', 12)) self.textarea.place(relx = 0.5, rely = 0.4, anchor = tk.CENTER) #buttons self.Savebtn = tk.Button(self.root, text = 'Save', command = self.save) self.Savebtn.place(relx = 0.1, rely = 0.8, anchor = tk.SE) self.Closebtn = tk.Button(self.root, text = 'Close', command = self.close) self.Closebtn.place(relx = 0.2, rely = 0.8, anchor = tk.SE) def save(self): save_path = '../raw/' content = self.textarea.get('1.0', tk.END) saveas = 'editorText' complete_file = os.path.join(save_path, saveas+'.txt') saveas = open(complete_file, 'w') saveas.write(content) def close(self): self.lblHeading.place_forget() self.textarea.place_forget() self.Savebtn.place_forget() self.Closebtn.place_forget() def main(): root = tk.Tk() Editor(root) root.mainloop() if __name__ == '__main__': main()

----------------------------------------------#Editor with menu items--------------------------------------------------

import tkinter as tk import tkinter.scrolledtext as ts import os.path class Editor: def __init__(self, win): self.root = win self.root.title('editor') self.root.geometry('500x400+600+200') #heading self.lblHeading = tk.Label(self.root, text = 'Text editor', font = ('Times New Roman', 14), bg = 'white') self.lblHeading.place(relx = 0.5, rely = 0.1, anchor = tk.CENTER) #initializing scrolled textbox self.textarea = ts.ScrolledText(self.root, wrap = tk.WORD, width = 50, height = 10, font = ('Times New Roman', 12)) self.textarea.place(relx = 0.5, rely = 0.4, anchor = tk.CENTER) self.menubar = tk.Menu(win) # define file menu items self.filemenu = tk.Menu(self.menubar, tearoff=0) self.filemenu.add_command(label="Save", command=self.save) self.filemenu.add_command(label="Close", command=self.close) self.menubar.add_cascade(label="File", menu=self.filemenu) def save(self): save_path = '../raw/' content = self.textarea.get('1.0', tk.END) saveas = 'editorText' complete_file = os.path.join(save_path, saveas+'.txt') saveas = open(complete_file, 'w') saveas.write(content) def close(self): self.lblHeading.place_forget() self.textarea.place_forget() def main(): root = tk.Tk() Editor(root) root.mainloop() root.config(menu=self.menubar) if __name__ == '__main__': main()