here we make hex to octal and dec to octal convertor

[PrachiDev11]

Issue Id you have worked upon -

465

Briefly explain your program logic -

here we make hex to octal and dec to octal convertor

Screenshots(Attach 2 screenshots of your own input and output) -

By raising this PR I affirm that -

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.