code: def get_remove_string(packages, cuda_version):
      """Creates pip remove string for given cuda version and package list"""
      # Remove only these which version we want to change
      ret = for_all_pckg(
          packages, lambda pckg: pckg.get_uninstall_names(cuda_version)
      )
      return " ".join(ret)
  
imports: import argparse
  import sys
  from pip._vendor.packaging.version import parse
  import urllib.parse
  from urllib.request import urlopen, HTTPError, Request, URLError
label_desc: Use image node_id 4 for calling a global function with example usage: get_remove_string(packages, cuda_version) and returns: str