# coding: latin-1 # ...... # ...... # ...... # ...... # ...... # ...... def log_suite (x) : x = float (x-1) x0 = x s = 0 old = -1 n = 1 while abs (old - s) > 1e-10 : old = s po = x / n if n % 2 == 0 : po = -po s += po n += 1 x *= x0 return s print log_suite (2)