def srcImage():
global secretFileName
secretFileName = filedialog.askopenfilename(initialdir="",
title="Select source image")
global srcimage
if secretFileName != () and secretFileName != '':
srcimage = dcimage.getImage(secretFileName)
def stegoImage():
global stegoFileName
stegoFileName = filedialog.askopenfilename(initialdir="",
title="Select stego'd image")
global stegoimage
if stegoFileName != () and stegoFileName != '':
stegoimage = dcimage.getImage(stegoFileName)
def destImage():
filename = filedialog.askopenfilename(initialdir="",
title="Select destination image")
global destimage
print("Filename:", filename)
if filename != () and filename != '':
destimage = dcimage.getImage(filename)
print("Image:", destimage)