init taschenrechner and calendar

calender.py

@@ -0,0 +1,47 @@
+#Kalender.py
+import calendar
+from datetime import date
+
+month_name = ["Januar", "Februar", "Maerz", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober", "November", "Dezember"]
+
+# Definition Schaltjahr
+def leap_year(year):
+    return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
+
+# Definition Anzahl Tage pro Monat
+def days_leap_day(year, month):
+    days_per_month = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+    days = days_per_month[month - 1]
+    if month == 2 and leap_year(year):
+        days += 1
+    return days
+
+# Calculate the calendar week number (ISO 8601)
+def calendar_week(year, month, day):
+    d = date(year, month, day)
+    return d.isocalendar()[1]
+
+# Definition Ausgabe
+def calender(year):
+    for m in range(1, 13):
+        print(f"{month_name[m-1]} {year}".center(28))
+        print("KW  MO  DI  MI  DO  FR  SA  SO")
+        
+        month_calendar = calendar.monthcalendar(year, m)
+        for week in month_calendar:
+            # Check if the week contains days from the current month
+            if all(day == 0 for day in week):
+                continue
+            
+            # Get the correct week number
+            week_num = calendar_week(year, m, next(day for day in week if day != 0))
+            print(f"{week_num:2}", end=" ")
+            for day in week:
+                if day == 0:
+                    print("    ", end="")
+                else:
+                    print(f"{day:2}  ", end="")
+            print()
+        print()
+
+calender(2024)