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catupper/pi.py

Created May 20, 2011 08:11
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pi.py
import decimal
decimal.getcontext().prec = 100
dd=decima.Decimal
def pi(x):
xx=dd(1)
xt=0
for a in range(x):
xt+=dd(4)/xx
xt*=dd(-1)
xx+=dd(2)
return abs(xt)
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