Dont know how to update my string : <p>So i have this program that when i press an button it says something. then when i press another button it changes the first buttons outcome. but the outcome dont want to get "updated".</p>

<pre><code>import sys
from Tkinter import *
mGui = Tk()
Answer = "NO"

def Truth():
        Answer.replace("NO","YES")
        print(Answer)

def Snonk():
        print(Answer)

canvas = Canvas(mGui, width=200, height=300, bg="white")
mbutton = Button(mGui,text ="Is Hugo cool?",command = Snonk,).pack()
mbutton2 = Button(mGui,text ="Truth",command = Truth,).pack()
canvas.pack()
mGui.title("PQ")

mGui.mainloop()
</code></pre>

<p>e here</p>
