class float([x]) Return a floating point number constructed from a number or string x. If

class bytes([source[, encoding[, errors]]]) Return a new “bytes” object, which is an immutable sequence of integers in the range

enumerate(iterable, start=0) Return an enumerate object. iterable must be a sequence, an

class bool([x]) Return a Boolean value, i.e. one of True or False. x is converted using the

ascii(object) As repr(), return a string containing a printable representation of an object, but escape the non-ASCII

class set([iterable]) Return a new

map(function, iterable, ...) Return an iterator that applies function to every item of iterable, yielding

setattr(object, name, value) This is the counterpart of getattr(). The arguments are an object, a string and an

hash(object) Return the hash value of the object (if it has one). Hash values are integers. They are used to quickly compare dictionary keys during a dictionary

format(value[, format_spec]) Convert a value to a “formatted” representation, as controlled by format_spec