code: def insert_space_between_mandarin(text):
      """insert space between Mandarin characters"""
  
      if len(text) <= 1:
          return text
      out_text = text[0]
      for i in range(1, len(text)):
          if is_mandarin(text[i]):
              out_text += " "
          out_text += text[i]
          if is_mandarin(text[i]):
              out_text += " "
  
      return out_text
  
imports: import argparse
  import collections
  import itertools
  import os
  import random
  import re
  import sys
label_desc: Use image node_id 7 for calling a global function with example usage: insert_space_between_mandarin(text) and returns: out_text, text