code: def process_str(allstr):
      newstr = allstr
      writestr = ""
  
      struct = parse_structure(newstr)
  
      oldend = 0
      names = {}
      names.update(_special_names)
      for sub in struct:
          cleanedstr, defs = find_and_remove_repl_patterns(
              newstr[oldend : sub[0]]
          )
          writestr += cleanedstr
          names.update(defs)
          writestr += expand_sub(newstr[sub[0] : sub[1]], names)
          oldend = sub[1]
      writestr += newstr[oldend:]
  
      return writestr
  
file_path: catboost/contrib/python/numpy/py3/numpy/distutils/from_template.py
imports: import os
  import sys
  import re
label_desc: Use image node_id 7 for calling a global function with example usage: process_str(allstr) and returns: writestr