RedExplosives

from tkinter import *

global widgets # this list will contain widgets to be deleted
widgets = []

def square():
    global widgets
    for widget in widgets[:]:
        widget.destroy()
        widgets.remove(widget)

RedExplosives

# 11/1/14 Python 3.2
__version__ = '0.1'
# main.py
import time


# Main
def main():
    print("This program will convert Fahrenheit to Celsius or Celsius to Fahrenheit")
    time.sleep(1)