rename the branch name code example

Example 1: git rename branch

git branch -m <oldname> <newname> # Any Branch
git branch -m <newname> # Current Branch

# For windows if you get "Branch already exists" error
git branch -M <newname>

Example 2: rename branch git

git branch -m <new_name> //currenct branch switch name 
git branch -m <select_branch_name> <new_branch_name>