parameters: (self)
return_statement: return scope
docstring: Returns the root node of a parser tree. The returned node doesn't have
          a parent node like all the other nodes/leaves.
docstring_summary: Returns the root node of a parser tree. The returned node doesn't have
          a parent node like all the other nodes/leaves.
docstring_tokens: Returns the root node of a parser tree . The returned node doesn t have a parent node like all the other nodes / leaves .
function: def get_root_node(self):
          """
          Returns the root node of a parser tree. The returned node doesn't have
          a parent node like all the other nodes/leaves.
          """
          scope = self
          while scope.parent is not None:
              scope = scope.parent
          return scope
function_tokens: def get_root_node ( self ) : scope = self while scope . parent is not None : scope = scope . parent return scope