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uiur/pi.py

Created June 3, 2016 02:01
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pi.py
def pi(n):
half_pi = 0
for k in range(n + 1):
m = 1.0
for i in range(1, k + 1):
m *= float(2 * i - 1) / (2 * i)
half_pi += m / (2 * k + 1)
return 2 * half_pi
for i in range(1000):
print("%d: %f" % (i, pi(i)))
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uiur commented Jun 3, 2016 

❯ python pi.py
10000: 3.130309

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