104-Scrolled text reader

"""
Python Code Snippets #21
104-Scrolled text reader
By Steve Shambles.
stevepython.wordpress.com
"""
from tkinter import Frame, INSERT, scrolledtext, Tk

root = Tk()
root.title('ViewText')

main_frame = Frame(root)
main_frame.grid(padx=10, pady=10)

# Change bg to any colour you want for the background.
# fg for ink colour of text.
# Change width and height for different sizes, in characters.

txt = scrolledtext.ScrolledText(main_frame, bg='gold', fg='black',
                                width=70, height=30)
txt.grid()

# The text file to be read in and displayed.
with open('test.txt', 'r') as f:
    text_contents=f.read()

txt.insert(INSERT, text_contents)

root.mainloop()