gh-97517: Add documentation links to datetime strftime/strptime docstrings

Lib/_pydatetime.py

@@ -1072,7 +1072,10 @@ def fromisocalendar(cls, year, week, day):
 
     @classmethod
     def strptime(cls, date_string, format):
-        """Parse string according to the given date format (like time.strptime())."""
+        """Parse string according to the given date format (like time.strptime()).
+        For a list of supported format codes, see the documentation:
+            https://docs.python.org/3/library/datetime.html#format-codes
+        """
         import _strptime
         return _strptime._strptime_datetime_date(cls, date_string, format)
 
@@ -1109,6 +1112,8 @@ def strftime(self, format):
         Format using strftime().
 
         Example: "%d/%m/%Y, %H:%M:%S"
+        For a list of supported format codes, see the documentation:
+            https://docs.python.org/3/library/datetime.html#format-codes
         """
         return _wrap_strftime(self, format, self.timetuple())
 
@@ -1456,8 +1461,12 @@ def __new__(cls, hour=0, minute=0, second=0, microsecond=0, tzinfo=None, *, fold
         return self
 
     @classmethod
+
     def strptime(cls, date_string, format):
-        """Parse string according to the given time format (like time.strptime())."""
+        """Parse string according to the given time format (like time.strptime()).
+        For a list of supported format codes, see the documentation:
+            https://docs.python.org/3/library/datetime.html#format-codes
+        """
         import _strptime
         return _strptime._strptime_datetime_time(cls, date_string, format)
 
@@ -1650,6 +1659,8 @@ def fromisoformat(cls, time_string):
     def strftime(self, format):
         """Format using strftime().  The date part of the timestamp passed
         to underlying strftime should not be used.
+        For a list of supported format codes, see the documentation:
+            https://docs.python.org/3/library/datetime.html#format-codes
         """
         # The year must be >= 1000 else Python's strftime implementation
         # can raise a bogus exception.
@@ -2198,7 +2209,10 @@ def __str__(self):
 
     @classmethod
     def strptime(cls, date_string, format):
-        """Parse string according to the given date and time format (like time.strptime())."""
+        """Parse string according to the given time format (like time.strptime()).
+        For a list of supported format codes, see the documentation:
+            https://docs.python.org/3/library/datetime.html#format-codes
+        """
         import _strptime
         return _strptime._strptime_datetime_datetime(cls, date_string, format)