class weakref.ref(object[, callback]) Return a weak reference to object. The original object can be retrieved by calling

types.new_class(name, bases=(), kwds=None, exec_body=None) Creates a class object dynamically using the appropriate metaclass

types.MethodType The type of methods of user-defined class instances.

data A real list

classmethod datetime.today() Return the current local datetime, with tzinfo None. This is equivalent

calendar.weekheader(n) Return a header containing abbreviated weekday names. n specifies the width in characters for

tzinfo.utcoffset(dt) Return offset of local time from UTC, in minutes east of UTC. If local time is west of UTC, this should

time.isoformat() Return a string representing the time in ISO 8601 format, HH:MM:SS.mmmmmm or, if self.microsecond is 0, HH:MM:SS

class collections.UserString([sequence]) Class that simulates a string or a Unicode string object. The instance’s content is

time.min The earliest representable time, time(0, 0, 0, 0).