BeagleBone Turn on Custom LED

#Import Libraries
##################

#Tell python we need the library "os" for executing system commands directly
import os

#Tell python we need the library "time" so we can use the "sleep" command
import time


i = 0;
total_gpio = 96;
while(i < total_gpio):
    #Tell beaglebone we want to export this GPIO pin
    os.system("echo "+str(i)+" > /sys/class/gpio/export");

    time.sleep(0.1);

    #Tell beaglebone we want to turn this gpio pin to OUTPUT
    os.system("echo out > /sys/class/gpio/gpio"+str(i)+"/direction");

    #Tell beaglebone we want to turn this gpip pin on
    os.system("echo 1 > /sys/class/gpio/gpio"+str(i)+"/value");
    print "Last pin turned on was "+str(i)+"\n";

    time.sleep(0.1);
    i = i + 1