calc_pi.py 187 Bytes EditWeb IDE 1 2 3 4 5 6 7 8 9 10 # calc_pi.py def recip_square(i): return 1. / i ** 2 def approx_pi(n=10000000): val = 0. for k in range(1, n + 1): val += recip_square(k) return (6 * val) ** .5