[Tutor] finding square roots

[wesley chun]

oddly enough, i get different results doing it the "old-fashioned" way:

$ sqrt.py
using **
0.000447034835815
using sqrt()
0.000399112701416

$ sqrt.py
using **
0.00043797492981
using sqrt()
0.000399827957153

$ sqrt.py
using **
0.00043797492981
using sqrt()
0.000402927398682

here's the code snippet... *seems* right to me, but let me know u see any flaws:

from math import sqrt
from time import time

print "using **"
i = 0
now = time()
while i < 1000:
    64 ** 0.5
    i += 1
print time()-now

print "using sqrt()"
i = 0
now = time()
while i < 1000:
    sqrt(64)
    i += 1
print time()-now

-- wesley
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"Core Python Programming", Prentice Hall, (c)2007,2001
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wesley.j.chun :: wescpy-at-gmail.com
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