Python3.3 USES tkinter to develop examples of number guessing games

Use this small game to learn how to use tkinter in ython3.3

# -*- coding: utf-8 -*-
import tkinter as tk
import sys
import random
import re
number = random.randint(0,1024)
running = True
num = 0
nmaxn = 1024
nminn = 0
def eBtnClose(event):
    root.destroy()

def eBtnGuess(event):
    global nmaxn
    global nminn
    global num
    global running
    # Fix bug: user answered right, prompt label still prompts message  Edit by Hongten 2013-09-09
    # That is, after the user answered correctly, the prompt label should not be clicked with the user ' guess ' Button to change 
    if running:
        val_a = int(entry_a.get())
        if val_a == number:
            labelqval(" Congratulations! ")
            num+=1
            running = False
            numGuess()
        elif val_a < number:
            if val_a > nminn:
                nminn = val_a
                num+=1
                label_tip_min.config(label_tip_min,text=nminn)
            labelqval(" The small oh ")
        else:
            if val_a < nmaxn:
                nmaxn = val_a
                num+=1
                label_tip_max.config(label_tip_max,text=nmaxn)
            labelqval(" Big oh ")
    else:
        labelqval(' You've got it right ...')
def numGuess():
    if num == 1:
        labelqval(' Shit! One answer! ')   
    elif num < 10:
        labelqval('= = Got it right within ten times... Number of attempts: '+str(num))
    elif num < 50:
        labelqval(' Not bad oh try times: '+str(num))
    else:
        labelqval(' All right... You've tried more than that 50 Time... Number of attempts: '+str(num))

def labelqval(vText):
    label_val_q.config(label_val_q,text=vText)   

root = tk.Tk(className=" Scale game ")
root.geometry("400x90+200+200")
line_a_tip = tk.Frame(root)
label_tip_max = tk.Label(line_a_tip,text=nmaxn)
label_tip_min = tk.Label(line_a_tip,text=nminn)
label_tip_max.pack(side = "top",fill = "x")
label_tip_min.pack(side = "bottom",fill = "x")
line_a_tip.pack(side = "left",fill = "y")
line_question = tk.Frame(root)
label_val_q = tk.Label(line_question,width="80")
label_val_q.pack(side = "left")
line_question.pack(side = "top",fill = "x")
line_input = tk.Frame(root)
entry_a = tk.Entry(line_input,width="40")
btnGuess = tk.Button(line_input,text=" guess ")
entry_a.pack(side = "left")
entry_a.bind('<Return>',eBtnGuess)
btnGuess.bind('<Button-1>',eBtnGuess)
btnGuess.pack(side = "left")
line_input.pack(side = "top",fill = "x")

line_btn = tk.Frame(root)
btnClose = tk.Button(line_btn,text=" Shut down ")
btnClose.bind('<Button-1>',eBtnClose)
btnClose.pack(side="left")
line_btn.pack(side = "top")
labelqval(" Please enter the 0 to 1024 Between any integer: ")
entry_a.focus_set()
print(number)
root.mainloop()