code: def is_extended_real(obj, assumptions=None):
      if assumptions is None:
          return obj.is_extended_real
      return ask(Q.extended_real(obj), assumptions)
  
file_path: sympy/sympy/assumptions/wrapper.py
imports: from sympy.assumptions import ask, Q
  from sympy.core.basic import Basic
  from sympy.core.sympify import _sympify
label_desc: Use image node_id 3 for calling a global function with example usage: is_extended_real(obj, assumptions) and returns: ask, obj