timezone.utcoffset(dt) Return the fixed value specified when the timezone instance is constructed. The dt

classmethod datetime.strptime(date_string, format) Return a datetime corresponding to date_string, parsed

datetime.day Between 1 and the number of days in the given month of the given year.

monthdatescalendar(year, month) Return a list of the weeks in the month month of the year as full weeks. Weeks

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

date.replace(year, month, day) Return a date with the same value, except for those parameters given new values by whichever

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

detach() If self is alive then mark it as dead and return the tuple (obj, func, args, kwargs). If self

weakref.proxy(object[, callback]) Return a proxy to object which uses a weak reference. This supports use of the proxy

types.DynamicClassAttribute(fget=None, fset=None, fdel=None, doc=None) Route attribute access on a class to __getattr__.