scroll_bar.py

from tkinter import *
from tkinter import ttk

root = Tk()
root.title("Scroll Bar")
root.geometry("500x400")

#create a mainframe
main_frame = Frame(root)
main_frame.pack(fill=BOTH, expand=1)
#create a canvas
my_canvas= Canvas(main_frame)
my_canvas.pack(side=LEFT, fill=BOTH, expand=1)
#add a scrollbar to the canvas
my_scrollbar= ttk.Scrollbar(main_frame,orient=VERTICAL, command=my_canvas.yview)
my_scrollbar.pack(side=RIGHT, fill=Y)
#configure the canvas
my_canvas.configure(yscrollcommand=my_scrollbar.set)
my_canvas.bind("<Configure>", lambda e:my_canvas.configure(scrollregion= my_canvas.bbox("all")))

#create another frame inside the canvas
second_frame= Frame(my_canvas)
#add that new frame to a window in the canvas
my_canvas.create_window((0,0), window= second_frame, anchor="nw")

for btn in range(100):
    Button(second_frame, text=f'Button {btn}').grid(row=btn, column=0, pady=10, padx=10)

#  my_label = Label(second_frame, text="It's Tuesday!!!").grid(row=3, column=2)

root.mainloop()