Value of Pi

Theory
value of Pi is calculated using the Monte Carlo method - generate a large number of random points and see how many fall in the circle enclosed by the unit square. 

 
# Program
from random import *
j=0
for i in range(10000000):
    x=random()
    y=random()
    if (x**2+y**2)<=1:j+=1
print "Value of pi = ",4.0*j/i



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