Test2test.py

import tkinter as tk


def on_configure(event):
    # update scrollregion after starting 'mainloop'
    # when all widgets are in canvas
    canvas.configure(scrollregion=canvas.bbox('all'))


root = tk.Tk()

# --- create canvas with scrollbar ---

canvas = tk.Canvas(root)
canvas.pack(side=tk.LEFT)

scrollbar = tk.Scrollbar(root, command=canvas.yview)
scrollbar.pack(side=tk.LEFT, fill='y')

canvas.configure(yscrollcommand = scrollbar.set)

# update scrollregion after starting 'mainloop'
# when all widgets are in canvas
canvas.bind('<Configure>', on_configure)

# --- put frame in canvas ---

frame = tk.Frame(canvas)
canvas.create_window((0,0), window=frame, anchor='nw')

# --- add widgets in frame ---

l = tk.Label(frame, text="Hello", font="-size 50")
l.pack()

l = tk.Label(frame, text="World", font="-size 50")
l.pack()

message = tk.Message(frame, text="Hello Friends")
message.pack()
l = tk.Label(frame, text="Test text 1\nTest text 2\nTest text 3\nTest text 4\nTest text 5\nTest text 6\nTest text 7\nTest text 8\nTest text 9\nDeepak \nDevender sual", font="-size 20")
l.pack()
message = tk.Message(frame, text="Hello Friends")
canvas.create_window(30,50,window=message)
# --- start program ---

root.mainloop()