from Tkinter import *
import tkMessageBox

master = Tk()
master.wm_iconbitmap('info.ico')
def Submit():
    logUser = user.get()
    logPass = passe.get()
    if logUser == 'google' and logPass == 'earth':
        print 'Success!'
        tkMessageBox.showinfo(title="Login Success", message="You have succesfully logged in")
    else:
        print 'Login Failed.'
        tkMessageBox.showwarning(title="Login Failure", message="Incorrect Info")



User = Label(master, text="Username")
User.pack()

user = Entry(master)
user.pack()

Pass = Label(master, text="Password")
Pass.pack()

passe = Entry(master)
passe.pack()

sub = Button(master, text="Login", command=Submit)
sub.pack()

mainloop()