How can I generate a variable in GUI

[lampas]

I made a Twitter crawling code and also made GUI. The Code that generates the entered value as a keyword variable.
But I couldn't generate a variable in GUI.How can I generate a variable in GUI?
This is the code
############################################################################################################
import tweepy

import os

import sys

import imp
imp.reload(sys)


from tkinter import *



def twitter():
consumer_key = "my cunsumer key"

consumer_secret = "my consumer secret"

access_token = "my access token"

access_token_secret = "my access token secret"

auth = tweepy.OAuthHandler(consumer_key, consumer_secret)

auth.set_access_token(access_token, access_token_secret)

api = tweepy.API(auth)

public_tweets = api.home_timeline()

for tweet in public_tweets:
print(tweet.text.encode('UTF-8').decode('UTF-8'))



location = "%s,%s,%s" % ("35.95", "128.25", "1000km")

search =

cnt = 1

while(cnt <= 10):
tweets = api.search(keyword)
for tweet in tweets:
search.append(tweet)
cnt += 1


data = {}
i = 0
for tweet in search:
data['text'] = tweet.text
print(i, " : ", data)
i += 1


wfile = open(os.getcwd()+"/twitter.txt", mode='w')
data = {}
i = 0

for tweet in search:
data['text'] = tweet.text
print(i, ":",data)
i += 1

wfile.close()


def show():
print(temp.get())

window = Tk()
explain = Label(window, text="twitter crawling progrem")
explain.pack()

name = Label(window, text="Enter Keyword")
name.pack()

temp = Entry(window)
temp.pack()
keyword = temp.get()

b1 = Button(window, text='Enter!', command=show, bg='green')
b1.pack()

b2 = Button(window, text = 'Crawling!', command = twitter, bg = 'red')
b2.pack()


window.mainloop()

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