Welcome to algo_ds_101
$ origin https://github.com/**your_username**/algo_ds_101.git (fetch)
$ origin https://github.com/**your_username**/algo_ds_101.git (push)
$ upstream https://github.com/ahampriyanshu/algo_ds_101.git (fetch)
$ upstream https://github.com/ahampriyanshu/algo_ds_101.git (push)
$ git fetch --all --prune
$ git checkout master
$ git reset --hard upstream/master
$ git push origin master