random.setstate(state) state should have been obtained from a previous call to getstate(), and setstate()

random.sample(population, k) Return a k length list of unique elements chosen from the population sequence or set.

exp(context=None) Return the value of the (natural) exponential function e**x at the given number. The result is

math.expm1(x) Return e**x - 1. For small floats x, the subtraction in exp(x) - 1 can result

numerator Abstract.

next_toward(other, context=None) If the two operands are unequal, return the number closest to the first operand in the direction

cmath.isnan(x) Return True if either the real or the imaginary part of x is a NaN, and False

math.degrees(x) Convert angle x from radians to degrees.

random.lognormvariate(mu, sigma) Log normal distribution. If you take the natural logarithm of this distribution, you’ll get

math.isfinite(x) Return True if x is neither an infinity nor a NaN, and False otherwise.