Is the execution of a Python script impeded by a launch file in the ROS2 launch?

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No, the execution of a Python script is not impeded by a launch file in the ROS2 launch. The launch file and the Python script serve different purposes and can run independently. The launch file is used to start and configure nodes and other ROS2 components, while the Python script is used to implement the functionality of a specific component. However, it is important to make sure that the launch file properly includes and references the Python script in order for the component to be properly started and integrated into the ROS2 system.