def main_control_panel(func):
t = TkinterTask.generator(func)
root = TkControlPanel()
for s in "1234":
task = t(s)
task.start()
root.mainloop()
def main_tkinter(gen):
from Tkinter import Tk
t = TkinterTask.generator(gen)
root = Tk()
for s in "+-*/":
t(s).start()
root.mainloop()