Python Tkinter Code Editor with Line numbers

TkinterEditorWithLinenumbers.py

import tkinter as tk
from tkinter import ttk


class GridApp:
    def __init__(self):
        self.root = tk.Tk()
        self.root.title("Grid Layout")

        # Create the Text_Linenumber widget
        self.text_linenum = tk.Text(self.root, width=5)
        self.text_linenum.grid(row=0, column=0, sticky="ns", padx=(0, 20))
        # Configure the tag to align the text to the right
        self.text_linenum.tag_configure("right_align", justify="right")
        
        # Create the Text_Code widget
        self.text_code = tk.Text(self.root)
        self.text_code.grid(row=0, column=1, sticky="nsew")

        # Create the Scrollbar widget
        self.scrollbar_y = ttk.Scrollbar(self.root, command=self.text_code.yview)
        self.scrollbar_y.grid(row=0, column=2, sticky="ns")

        # Link the scrollbar to the Text_Code widget
        # self.text_code.config(yscrollcommand=self.scrollbar_y.set)
        self.text_code.config(yscrollcommand=self.handle_scroll_code_view)

        # Configure the grid layout to expand the Text_Code widget
        self.root.grid_rowconfigure(0, weight=1)
        self.root.grid_columnconfigure(1, weight=1)

        # Bind the on_scroll method to Text_Code widget's scroll event
        self.text_code.bind("<MouseWheel>", self.on_scroll)

        # Fill the Text_Code widget with lines of text

        for x in range(9999):
            print(x)
            self.text_code.insert("end", "Line"+str(x) + "\n")

        self.insert_linenumbers()

    def run(self):
        self.root.mainloop()

    def on_scroll(self, *args):
        # Method to be called when Text_Code is scrolled
        print("Text_Code scrolled")

    def handle_scroll_code_view(self, x0, x1):
        print(x0, x1)
        self.scrollbar_y.set(x0, x1)
        self.text_linenum.yview_moveto(x0)

    def insert_linenumbers(self):
        # Clear the current line numbers
        self.text_linenum.delete('1.0', 'end')

        num_lines = self.text_code.get('1.0', 'end').count('\n')

        # Insert line numbers in TextA
        line_numbers = '\n'.join(str(i) for i in range(1, num_lines + 1))
        self.text_linenum.insert('1.0', line_numbers)
        self.text_linenum.tag_add("right_align", "1.0", "end")
        


if __name__ == "__main__":
    app = GridApp()
    app.run()