def EvalLognormalCdf(x, mu=0, sigma=1):
 return stats.lognorm.cdf(x, loc=mu, scale=sigma)

def EvalLognormalCdf ( x , mu = 0 , sigma = 1 ) : return stats . lognorm . cdf ( x , loc = mu , scale = sigma )
evaluates the cdf of the lognormal distribution .