code: def get_tasks_args(parser):
      """Provide extra arguments required for tasks."""
      group = parser.add_argument_group(title="tasks")
  
      group.add_argument(
          "--task",
          type=str,
          default="segment",
          choices=["classify", "segment_setr", "segment_segformer"],
          help="task name.",
      )
      group.add_argument(
          "--epochs",
          type=int,
          default=None,
          help="Number of finetunning epochs. Zero results in "
          "evaluation only.",
      )
      group.add_argument(
          "--pretrained-checkpoint-type",
          type=str,
          default="default",
          choices=["default", "external", "constrastive"],
          help="Type of pretrained checkpoint",
      )
      group.add_argument(
          "--pretrained-checkpoint",
          type=str,
          default=None,
          help="Pretrained checkpoint used for finetunning.",
      )
      group.add_argument(
          "--seg-stride",
          type=int,
          default=None,
          help="sliding window stride during evaluation",
      )
      return parser
  
imports: import os
  import sys
  from megatron import get_args
  from megatron.initialize import initialize_megatron
label_desc: Use image node_id 1 for calling a global function with example usage: get_tasks_args(parser) and returns: parser