feat: chapt6

chapt2/ros2_python_node.py

@@ -0,0 +1,12 @@
+import rclpy
+from rclpy.node import Node
+
+def main():
+    rclpy.init()
+    node = Node("python_node")
+    node.get_logger().info('你好 Python 节点！');
+    rclpy.spin(node)
+    rclpy.shutdown()
+
+if __name__=="__main__":
+    main()