code: def print_introspection_schema(schema):
      return _print_filtered_schema(
          schema, is_spec_directive, _is_introspection_type
      )
  
imports: from ..language.printer import print_ast
  from ..type.definition import GraphQLEnumType, GraphQLInputObjectType, GraphQLInterfaceType, GraphQLObjectType, GraphQLScalarType, GraphQLUnionType
  from ..type.directives import DEFAULT_DEPRECATION_REASON
  from .ast_from_value import ast_from_value
label_desc: Use image node_id 2 for calling a global function with example usage: print_introspection_schema(schema) and returns: _print_filtered_schema