Dynamiclaly create buttons from a dictionary

TkinterDynamicButtons.py

"""
dynamically create buttons with commands in a tkinter gui using a dictionary
"""

import os
import tkinter as tk

# Dictionary of button names and filepaths
PATHS = {"A path": r"C:\Users\Matt\Google Drive\Python\Test\file_1.txt",
         "B path": r"C:\Users\Matt\Google Drive\Python\Test\file_2.txt",
         "C path": r"C:\Users\Matt\Google Drive\Python\Test\file_3.txt",
        }

# Initiate GUI
ROOT = tk.Tk()

# Create buttons that open files using the Dictionary
for key, var in PATHS.items():
    button = tk.Button(ROOT, text=key, width=8,
                       command=lambda x=var: os.startfile(x))
    button.pack()

# Start the GUI
ROOT.mainloop()