100 def isleap(year):  argument
113 def weekday(year, month, day):  argument
120 def monthrange(year, month):  argument
130 def _monthlen(year, month):  argument
134 def _prevmonth(year, month):  argument
141 def _nextmonth(year, month):  argument
173     def itermonthdates(self, year, month):  argument
182     def itermonthdays(self, year, month):  argument
194     def itermonthdays2(self, year, month):  argument
202     def itermonthdays3(self, year, month):  argument
220     def itermonthdays4(self, year, month):  argument
228     def monthdatescalendar(self, year, month):  argument
236     def monthdays2calendar(self, year, month):  argument
246     def monthdayscalendar(self, year, month):  argument
254     def yeardatescalendar(self, year, width=3):  argument
267     def yeardays2calendar(self, year, width=3):  argument
280     def yeardayscalendar(self, year, width=3):  argument