code: def unzip_file(zip_path, extract_location, delete=False):
      """Unzip a file, optionally deleting after"""
      with zipfile.ZipFile(zip_path) as zip_ref:
          zip_ref.extractall(extract_location)
      if delete:
          os.remove(zip_path)
  
file_path: jiant/jiant/scripts/download_data/utils.py
imports: import datasets
  import os
  import tarfile
  import urllib
  import zipfile
  import jiant.utils.python.io
  from jiant.utils.python.datastructures import replace_key
label_desc: Use image node_id 4 for calling a global function with example usage: unzip_file(zip_path, extract_location, delete) without return types