Function

Meaning

betavariate()

binomialvariate(n, p)

return the int expected number of successes given a binomial distribution over probability p (between 0 and 1) and given n trials

choice(it)

return a random element of sequence it

choices()

expovariate()

gammavariate()

gauss(mu, sigma)

return a float from the Gaussian distribution characterized by mu and sigma

getrandbits()

lognormvariate()

normalvariate(mu, sigma)

return a float from the normal distribution characterized by mu and sigma

paretovariate()

randbytes()

randint(a, b)

return an int from the discrete uniform distribution between a and b, inclusive

random()

return a float between 0 and 1, inclusive of 0

randrange()

return an int from a range; takes same arguments as range() (i.e. range(10); range(1,11,2))

sample()

seed()

shuffle(it)

randomize the order of elements in mutable sequence it in place

triangular()

uniform(a, b)

return a float from the continuous uniform distribution between a and b, inclusive (except when floating point rounding hits the high value)

vonmisesvariate()

weibullvariate()