strftime :

•  The method represents the string consists of data and time with objects as time and date or date time.
• The datetime class is imported from the date time module.
• It takes one or more input format codes and returns string representation.

• The list of format codes are:

1. %a:  It is used for weekdays representation in short forms as wed, thr, etc...
2. %A: It is used for weekdays representation in the full name as of Sunday, Monday.
3. %b: It is used for month name representation in short form as of Jan, Feb, etc
4. %B: It is used for month name representation in the full name as of April, May, etc.
5. %d: It is used as a representation of the day of the month as zero added.
6.  %-d: day of the month as a decimal number.
7. %m: Month as zero added decimal number. 
8. %-m: Month as a decimal number.
9. %H:  hours as zero added decimal number.
10. %-H: hours as a decimal number.
11. %M: minutes as zero added decimal number.
12. %-M: minutes as a decimal number.
13. %S: seconds as a zero added decimal number
14. %-S: seconds as a decimal number.
15. %J: day of the year as zero added decimal number.
16. %-J: day of the year as a decimal number.

#write a python program to demonstrate strftime function.