reaction.py

#Importere vaerktoejer
from Tkinter import *
import time

#Tiden
startTime = 0 # predefine for later use
endTime   = 0 
deltaTime = 0 

def spawn_button():
  global startTime
  button1=Button(window, text="Klik her!", command=my_click_me1)
  button1.place(x=330, y=460)
  startTime = time.time();


#Definitioner
def my_click_me1():
  global startTime, endTime, deltaTime
  endTime   = time.time();
  deltaTime = endTime - startTime
  startTime = time.time(); # Restart the timer
  label1.place(x=335,y=500)
  label1["text"] = '{0:.2f}'.format(deltaTime)
  print('{0:.2f}'.format(deltaTime))

#rod defineres
window=Tk()

#Vinduet
window.geometry("700x800")
window.title("Reaktionshastighehs test")

#Labels
label1=Label(window, text="Klik nu!")

# Make the timer tick:
window.after( 5000, spawn_button );
window.mainloop();