code: def f8(x):
      return "%8.3f" % x
  
imports: import sys
  import os
  import time
  import marshal
  import re
  from enum import StrEnum, _simple_enum
  from functools import cmp_to_key
  from dataclasses import dataclass
  from typing import Dict
label_desc: Use image node_id 7 for calling a global function with example usage: f8(x) and returns: unknown