from os import path
import time


def checksize(fichier):
    # Get size of this text file.
    size = path.getsize(fichier)
    # Display the size in bytes.
    print(size)

checksize('aaa.py')

time.sleep(5)

a = 10

while a>0:
    a = a - 1


print('stop')    

##https://twistedmatrix.com/documents/12.3.0/core/howto/time.html
##http://www.xodustech.com/guides/raspberry-pi-php-gpio
##http://plomteuxkevin.wordpress.com/2013/03/16/les-gpio/