class_docstr: Base class for composite domains, e.g. ZZ[x], ZZ(X). 
docstr: Returns ``True`` if this domain is exact. 
code: def is_Exact(self):
      """Returns ``True`` if this domain is exact."""
      return self.domain.is_Exact
  
file_path: sympy/sympy/polys/domains/compositedomain.py
imports: from sympy.polys.domains.domain import Domain
  from sympy.polys.polyerrors import GeneratorsError
  from sympy.utilities import public
label_desc: Use image node_id 4 for calling the CompositeDomain obj's underlying member method code with example usage: obj.is_Exact() and returns: self