code: def __str__(self):
      show_str = ""
      if self.show_type == ShowType.FUNCTIONS:
          show_str = "FUNCTIONS"
      elif self.show_type == ShowType.TABLES:
          show_str = "TABLES"
      elif self.show_type == ShowType.CONFIGS:
          show_str = self.show_val
      elif self.show_type == ShowType.DATABASES:
          show_str = "DATABASES"
      return f"SHOW {show_str}"
  
file_path: evadb/evadb/parser/show_statement.py
imports: from __future__ import annotations
  from typing import Optional
  from evadb.parser.statement import AbstractStatement
  from evadb.parser.types import ShowType, StatementType
label_desc: Use image node_id 4 for calling the ShowStatement obj's underlying member method code with example usage: obj.__str__() and returns: str, show_str