code: def show_argument(self, dest):
      for act in self._actions[1:]:
          if act.dest == dest:
              print(act)
  
file_path: dipy/dipy/workflows/base.py
imports: import argparse
  import inspect
  from dipy.workflows.docstring_parser import NumpyDocString
label_desc: Use image node_id 7 for calling the IntrospectiveArgumentParser obj's underlying member method code with example usage: obj.show_argument(dest) without return types