time to sort arrays

arrays.py

#!/usr/bin/python

from numpy import *
import sys
from datetime import datetime

my_array = []

array_size = 640*480*3*3
a = datetime.now()
for i in range(1,array_size):
	my_array.append(random.randint(0,high=sys.maxint,size=[75]))
	
b = datetime.now()	
c = b - a
print('time to create random arrays: %d seconds %d milliseconds' % (c.seconds,(c.microseconds / 1000)))

a = datetime.now()
for arr in my_array:
	arr.sort()
b = datetime.now()
c = b - a
print('time to sort arrays: %d seconds %d milliseconds' % (c.seconds,(c.microseconds / 1000)))