class_docstr: The ZipCodeBase Codes within Radius Table implementation
docstr: Gets all columns to be returned in pandas DataFrame responses
  Returns
  -------
  List[str]
      List of columns
docstr_tok: ["Gets","all","columns","to","be","returned","in","pandas","DataFrame","responses","Returns","--","--","--","-","List","[","str","]","List","of","columns"]
code: def get_columns(self) -> List[str]:
      """Gets all columns to be returned in pandas DataFrame responses
      Returns
      -------
      List[str]
          List of columns
      """
  
      return [
          "code",
          "city",
          "state",
          "city_en",
          "state_en",
          "distance",
      ]
  
imports: import pandas
  from typing import List
  from mindsdb.integrations.libs.api_handler import APITable
  from mindsdb.integrations.handlers.utilities.query_utilities import SELECTQueryParser, SELECTQueryExecutor
  from mindsdb.utilities import log
  from mindsdb_sql.parser import ast
label_desc: Use image node_id 3 for calling the ZipCodeBaseCodeInRadiusTable obj's underlying member method code with example usage: obj.get_columns() and returns: list