Update date_and_time.md

Author: vanigupta20024

snippets/python/date_and_time.md

@@ -11,6 +11,6 @@ import datetime
 # now() method returns current datetime object
 cur_time = datetime.datetime.now()  
 
-print("Date: ", cur_time.day, "/", cur_time.month, "/", cur_time.year)
-print("Time: ", cur_time.hour, "h:", cur_time.minute, "m:", cur_time.second, "s")
+print("Date today:",f"{cur_time:%Y-%m-%d}")
+print("Time:", f"{cur_time:%H:%M:%S%z}")
 ```