[Tutor] binding a button to an entry

[ADRIAN KELLY]

Hi all, Please can anyone tell me how i bind the activation of a button with input from an entry widget. i know i should be using classes etc. but i don't understand them fully yet.. problem here is that no matter what i enter in the entry window it displays as password incorrect.
from Tkinter import *
password="trial"
def reveal():    """Display message based on password"""    contents=s    if contents=="trial":        print "password correct"    else:        print "password wrong"
#mainroot=Tk()root.title("Password entry box")root.geometry("300x100")app=Frame(root)app.grid()
#labelslbl=Label(app, text="Enter your password: ")lbl.grid(row=1, column=0)
#create entry widgetse = Entry(root)e.grid(row=1, column=1)s=e.get()
#create a submit buttonb=Button(root, text="SUBMIT", command=reveal)b.grid(row=0, column=2)

root.mainloop()

thanks all,adrian






 
 		 	   		  
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