Add examples showing how to use result for all tasks (#19282)

Signed-off-by: Mohammed Yasin <32206511+Y-T-G@users.noreply.github.com>

docs/en/tasks/pose.md

@@ -143,6 +143,12 @@ Use a trained YOLO11n-pose model to run predictions on images.
 
         # Predict with the model
         results = model("https://ultralytics.com/images/bus.jpg")  # predict on an image
+
+        # Access the results
+        for result in results:
+            xy = result.keypoints.xy  # x and y coordinates
+            xyn = result.keypoints.xyn  # normalized
+            kpts = result.keypoints.data  # x, y, visibility (if available)
         ```
 
     === "CLI"