add circular array programs in c++ and python

[Sanga-byte29]

[aditya-agr]

i can do this.

[Luthin2003]

can i do this

[jay13makhija]

I have a pull request solving this issue. Kindly please merge it

[ShrutiSingh04503]

Hey, I'll love to work on this issue, Would appreciate it if you assign me.