code: def _(obj, parameter="t"):
      definition = obj.arbitrary_point(parameter).args
      t = _symbol(parameter, real=True)
      bounds = (t, 0, 2 * pi)
      return [ParametricRegion(definition, bounds)]
  
imports: from functools import singledispatch
  from sympy.core.numbers import pi
  from sympy.functions.elementary.trigonometric import tan
  from sympy.simplify import trigsimp
  from sympy.core import Basic, Tuple
  from sympy.core.symbol import _symbol
  from sympy.solvers import solve
  from sympy.geometry import Point, Segment, Curve, Ellipse, Polygon
  from sympy.vector import ImplicitRegion
label_desc: Use image node_id 4 for calling a global function with example usage: _(obj, parameter) and returns: list