code: def __init__(self, dest, nargs=1, obj=None):
      self.dest = dest
      self.nargs = nargs
      self.obj = obj
  
imports: import re
  from collections import deque
  from .exceptions import BadArgumentUsage
  from .exceptions import BadOptionUsage
  from .exceptions import NoSuchOption
  from .exceptions import UsageError
label_desc: Use image node_id 1 to create a new Argument object from inherited base classes: object with example: obj = Argument(dest, nargs, obj)