Fenwick Tree

[Kanhakhatri065]

Implement Fenwick tree in any language.

[explise]

I can do it in C++ if you want

[kavya1229]

#I will do it in python, please assign this to me. #248

[Kanhakhatri065]

@Anurag-Bhatt do it in c++.

[Kanhakhatri065]

@kavya1229 wait let me view your PR.

[khannakshat7]

@Kanhakhatri065 Can I do it in Python? Pl. assign it to me

[Kanhakhatri065]

@khannakshat7 No, I have assigned C++ and python implementation to other contributors but you are free to implement in any other language.