GUI Convo.py

import sys
from tkinter import *

root = Tk()
b = 1
str1 = StringVar()
str2 = StringVar()
str3 = StringVar()
var1 = IntVar()

label1 = Label(root, textvariable=str1)
label1.pack()

label2 = Label(root, textvariable=str2)
label2.pack()

userInput = Entry(root, textvariable=str3, width=26)
userInput.pack()

def root_quit():
    root.destroy()
    sys.exit()

def button1():
    global myName
    myName = str3.get()
    myName = myName.lower()
    myName = myName.capitalize()
    labeltext = ['Hello, ',myName,'.']
    labeltext = ''.join(str(v) for v in labeltext)
    str1.set(labeltext)
    str2.set('What is your favourite activity?')
    str3.set('')
    button.config(command=button2)
    return

def button2():
    global activity
    activity = str3.get()
    labeltext = ['Cool! I like ',activity,' too!']
    labeltext = ''.join(str(v) for v in labeltext)
    str1.set(labeltext)
    str2.set('How about your favourite food?')
    str3.set('')
    button.config(command=button3)
    return

def button3():
    global favFood
    favFood = str3.get()
    labeltext = ['I like ',favFood,'!']
    labeltext = ''.join(str(v) for v in labeltext)
    str1.set(labeltext)
    str2.set('It was good getting getting to know you!')
    str3.set('')
    button.config(text="Continue", command=button4)
    return

def button4():
    labeltext = ['Perhaps, ',myName,' we could go ',activity]
    labeltext2 = ['and get some ',favFood,' after sometime.']
    labeltext = ''.join(str(v) for v in labeltext)
    labeltext2 = ''.join(str(v) for v in labeltext2)
    str1.set(labeltext)
    str2.set(labeltext2)
    str3.set('')
    button.config(command=button5)
    return

def button5():
    str1.set('Catch you later!')
    label2.pack_forget()
    button.pack_forget()
    userInput.pack_forget()
    str3.set('')

    quit_button = Button(root, text="Quit", command=root_quit)
    quit_button.pack()
    return


button = Button(root, text="Submit", command=button1)
button.pack()

str1.set('Welcome! May I take your name?')

mainloop()