#  Friday13Standard.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-05-04  File created.
#  2022-12-18  Converted to Python 3.

from datetime import date
from datetime import timedelta

#  This program works almost like Friday13.py

days_of_week  =  ( "Monday", "Tuesday", "Wednesday",
                   "Thursday", "Friday", "Saturday", "Sunday" )

date_to_increment  =  date.today()

number_of_friday13_dates_to_print  =  10

print( "\n The following are the next such dates"  \
       "\n that are Fridays and the 13th days"     \
       "\n of a month: " )

while  number_of_friday13_dates_to_print  >  0  :

   while  date_to_increment.weekday()  !=  4  or   \
          date_to_increment.day        !=  13   :

      date_to_increment  +=  timedelta( 1 )


   print( "\n   %s, %s"  %  ( date_to_increment.isoformat(),
          days_of_week[ date_to_increment.weekday() ] ), end="" )

   date_to_increment  +=  timedelta( 27 )
   number_of_friday13_dates_to_print  -=  1


print( "\n" )