code: def fit_format(digit):
      """fit file name format"""
      str_digit = str(float(digit) / 10.0)
      if int(str_digit[-1]) >= 5:
          return float(digit) + 1
      else:
          return float(digit)
  
imports: import argparse
  import collections
  import itertools
  import os
  import random
  import re
  import sys
label_desc: Use image node_id 13 for calling a global function with example usage: fit_format(digit) and returns: unknown, float