from Tkinter import * # This indicates the python interface of a Gui

root = Tk() # this indicates base name of window

root.resizable(0,0)

root.title("Display Strings") # Title of GUI window

def displayOutput():
    print "working"

    userName=entName.get()
    print userName
    length=len(userName)
    print length
    welcome="Welcome to python,"+ userName + "!"
    print welcome
    outputName.configure(text=welcome)
    message="Your name length shown below"
    outputWelcomeMsg.configure(text=message)
    namelength="Username length: + "+str(length)
    outputUserLength.configure(text=namelength)

    #==========GUI Section Button and Label section ==================
lblTitle=Label(root, text="Task 2", font=('Verdana', 28) ) # this indicates the title of the module
lblTitle.grid(row=0, column=0, columnspan=2,pady=2, ipady=2, padx=10)

lblName=Label(root, text="What is your name?", font=('Arial', 14))# This indicates
lblName.grid(row=1, column=0, sticky=W)

entName=Entry(root, width=8)
entName.grid(row=1, column=1, sticky=W)

btnSubmit=Button(root, text="submit",command=displayOutput)
btnSubmit.grid(row=2, column=0, columnspan=2)

outputName=Label(root, text=".....", font=('Arial', 14) )
outputName.grid(row=3, column=0, sticky=W, columnspan=2)

outputWelcomeMsg=Label(root, justify=LEFT,  text="...", font=('Arial', 14) )
outputWelcomeMsg.grid(row=4, column=0, columnspan=2, sticky=W)

outputUserLength=Label(root, text="...", font=('Arial', 14) )
outputUserLength.grid(row=5, column=0, columnspan=2, sticky=W)

root.mainloop() # this here indicates that you must close the module or else it will come up with error