cmath.atanh(x) Return the inverse hyperbolic tangent of x. There are two branch cuts: One extends from 1

class decimal.InvalidOperation An invalid operation was performed. Indicates that an operation

class decimal.Subnormal Exponent was lower than Emin prior to rounding. Occurs

random.randint(a, b) Return a random integer N such that a <= N <= b. Alias for randrange(a

math.isclose(a, b, *, rel_tol=1e-09, abs_tol=0.0) Return True if the values a and b are close

random.gauss(mu, sigma) Gaussian distribution. mu is the mean, and sigma is the standard deviation. This is

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

real Abstract. Retrieves the real component of this number.

to_integral_exact(rounding=None, context=None) Round to the nearest integer, signaling Inexact or Rounded

is_normal(context=None) Return