math.nan
math.nan represents the real value "Not a Number" (NaN). It is equivalent to the result of float("nan").
math.inf
math.inf represents the positive infinitive real number. The result is equivalent to float ("inf") .
math.isinf
The math.isinf function returns the Boolean True if the number passed as an argument is infinite (either positive or negative), or False otherwise.
math.degrees
The math.degrees function returns the sexagesimal degrees equivalent of the angle x specified in radians.
math.floor
The math.floor function returns the integer closest to argument passed that is less than or equal to it.
math.ceil
The math.ceil function returns the integer closest to the argument passed that is greater than or equal to it.
tuple
The tuple class returns an immutable iterable object of type tuple (a tuple).
slice
The slice class returns an object representing the indices specified by range(start, stop, step).
set
The set built-in class returns a set made up of the elements of the iterable included as an argument.
reversed
The reversed function returns an iterator made up of the values of the object included as an argument after reversing their order.
