# CarbonPython live demo

$ cat func.py
from carbonpython import export
import time

@export(int)
def fn(N):
    t1 = time.clock()
    z = 0
    for index in xrange(N):
        x = 2.34+index
        y = 3.45+index
        z = (x*x)+(y*y)+index
    t2 = time.clock()
    print t2-t1, 'seconds'
    return z

$ carbonpython.py func.py mylib.dll
...

$ ipy
IronPython 1.0 (1.0) on .NET 2.0.50727.42
Copyright (c) Microsoft Corporation. All rights reserved.
>>> import clr
>>> clr.AddReferenceToFile('mylib.dll')
>>>
>>> import func
>>> import mylib
>>>
>>> N = 10**7
>>> print func.fn(N)
7.770177 seconds
2.000000858e+014
>>> print mylib.fn(N)
0.25608 seconds
2.000000858e+014
>>> 7.770177 / 0.25608
30.3427717901