code: def get_default_face_mesh_contours_style(
      i: int = 0,
  ) -> Mapping[Tuple[int, int], DrawingSpec]:
      """Returns the default face mesh contours drawing style.
  
      Args:
          i: The id for default style. Currently there are two default styles.
  
      Returns:
          A mapping from each face mesh contours connection to its default drawing
          spec.
      """
      default_style = (
          _FACEMESH_CONTOURS_CONNECTION_STYLE_1
          if i == 1
          else _FACEMESH_CONTOURS_CONNECTION_STYLE
      )
      face_mesh_contours_connection_style = {}
      for k, v in default_style.items():
          for connection in k:
              face_mesh_contours_connection_style[connection] = v
      return face_mesh_contours_connection_style
  
file_path: mediapipe/mediapipe/python/solutions/drawing_styles.py
imports: from typing import Mapping, Tuple
  from mediapipe.python.solutions import face_mesh_connections
  from mediapipe.python.solutions import hands_connections
  from mediapipe.python.solutions.drawing_utils import DrawingSpec
  from mediapipe.python.solutions.hands import HandLandmark
  from mediapipe.python.solutions.pose import PoseLandmark
label_desc: Use image node_id 3 for calling a global function with example usage: get_default_face_mesh_contours_style(i) and returns: face_mesh_contours_connection_style