Using gitlab
# Commit a new file to the 'project01' repository.
# roderick.mifsud@gmail.com:holly198four
step 1: git clone project
copy into the folder
git config --global user.name "aaaaaaaaaaaa"
git config --global user.email "bbbbbbbbbbbbbbb@gmail.com"
#git config push.default simple
<<<loop>>>
git add . < or ad folder >
git commit -m 'anything changes'
git push
#Next, push the change to the repository on the GitLab server.
#git push origin master
#ROS with python3
catkin_make -DPYTHON_EXECUTABLE=/usr/bin/python