How to change date format to 01-10-2020 in the below program

Question

https://code.sololearn.com/cmMGBcMhW9ny/?ref=app

Answer 1

I have put some code samples together in the attached file. You can reduce the number of lines in code, when you convert date input to a datetime object. With this you are free to output what ever date format you like. If you have further questions just come back.
https://code.sololearn.com/c0mbzJMTt9nJ/?ref=app