code: def main():
      model_names = [
          "en_core_sci_sm",
          "en_core_sci_md",
          "en_core_sci_lg",
          "en_core_sci_scibert",
          "en_ner_bc5cdr_md",
          "en_ner_craft_md",
          "en_ner_bionlp13cg_md",
          "en_ner_jnlpba_md",
      ]
  
      for package_name in model_names:
          os.system(f"pip uninstall {package_name}")
  
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types