def render_gui(self):

    self.main_window = tk.Tk()
    self.main_window.geometry("1000x600")
    self.main_window.title("Damaged Text Document Virtual Restoration")
    self.main_window.resizable(True, True)
    self.main_window.configure(background="#d9d9d9")
    self.main_window.configure(highlightbackground="#d9d9d9")
    self.main_window.configure(highlightcolor="black")


    self.main_canvas = tk.Canvas(self.main_window, bg = "yellow")
    self.main_canvas.pack(expand = True, fill = "both")

    vsb = tk.Scrollbar(self.main_canvas, orient="vertical", command=self.main_canvas.yview)
    hsb = tk.Scrollbar(self.main_canvas, orient="horizontal", command=self.main_canvas.xview)
    vsb.grid(row=1, column=50,columnspan = 20, sticky='ns')
    hsb.grid(row=20, column=1,rowspan = 20,sticky = 'wes')

    self.main_canvas.configure(yscrollcommand=vsb.set,xscrollcommand=hsb.set)
    self.main_window.mainloop()

import tkinter as tk

class test:
    def __init__(self):
        self.render_gui()

    def render_gui(self):
        self.main_window = tk.Tk()
        self.main_window.geometry("1000x600")
        self.main_window.title("Damaged Text Document Virtual Restoration")
        self.main_window.resizable(True, True)
        self.main_window.configure(background="#d9d9d9")
        self.main_window.configure(highlightbackground="#d9d9d9")
        self.main_window.configure(highlightcolor="black")

        self.main_canvas = tk.Canvas(self.main_window, bg = "yellow")
        vsb = tk.Scrollbar(self.main_window, orient="vertical", command=self.main_canvas.yview)
        hsb = tk.Scrollbar(self.main_window, orient="horizontal", command=self.main_canvas.xview)
        hsb.pack(side = "bottom", fill = "x")
        vsb.pack(side = "right", fill = "y")
        self.main_canvas.pack(expand = True, fill = "both")

        self.main_canvas.configure(yscrollcommand=vsb.set,xscrollcommand=hsb.set)
        self.main_window.mainloop()

t = test()