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calculateur_pi.py

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#python3

from __future__ import division

import math

import sys

from decimal import *

pi = 0.0

compte = 0

print("Nombre de repetition de la boucle:\n")

nbRepetition = int(input())

#nbRepetition = 100000

for i in range(nbRepetition):

calcul = Decimal(((-1) ** i) / ((Decimal(2) * i) + 1))

pi = Decimal(calcul) + Decimal(pi)

if compte%(nbRepetition/100) == 0:

print(str(pi*4) + ", " + str(i))

compte = compte+1

print("\n\ncalcul: " + str(pi*4) + "\nnombre de calculs: " + str(i) + "\nmath.pi " + str(math.pi))