# font_ChkBtn_demo.py

# font_ChkBtn_demo.py

from Tkinter import *

itSw=['',' italic']
bbSw=['',' bold']
family,ffSz='Arial',' 10'

print family+ffSz+itSw[0]+bbSw[0]

root=Tk()
frame1=Frame()
frame1.pack()

text=Entry(frame1, width=40,font="Arial 10")
text.insert(INSERT, "sample area")
text.pack(padx=5, pady=5)

frame2=Frame()
frame2.pack()

def setText():
    text.config(font=family+ffSz+itSw[0]+bbSw[0])

def italicSw():
    global itSw
    itSw=(itSw[1],itSw[0])
    setText()

def boldSw():
    global bbSw
    bbSw=(bbSw[1],bbSw[0])
    setText()

checkBold=Checkbutton(frame2, text="Bold", command=boldSw)
checkBold.pack(side=LEFT, padx=5, pady=5)

checkItalic=Checkbutton(frame2, text="Italic", command=italicSw)
checkItalic.pack(side=LEFT, padx=5, pady=5)

root.mainloop()