> For the complete documentation index, see [llms.txt](https://nxp.gitbook.io/nxp-cup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nxp.gitbook.io/nxp-cup/gazebo/milestone-1-intro-to-nxp-gazebo-and-ros/change-between-c++-and-python.md).

# Change between C++ and Python

To change between C++ and Python, you'll simply need to go to the following file:

`~/ros2ws/src/sim_gazebo_bringup/config/gen_params.json` 

and change lines 128 and 129 to say `aim_line_follow` instead of `aim_line_follow_c`.