code: def compress(info):
      
      if PY3:
          file_obj = BytesIO()
      else:
          file_obj = StringIO()
  
      with zipfile.ZipFile(
              file_obj,
              mode='w',
              compression=zipfile.ZIP_DEFLATED) as zipper:
          for name, data in info.items():
              if hasattr(data, 'read'):
                  # if we were passed a file object, read it
                  data = data.read()
              zipper.writestr(name, data)
      file_obj.seek(0)
      compressed = file_obj.read()
      return compressed
docs: Compress data stored in a dict.
  
      Parameters
      -----------
      info : dict
        Data to compress in form:
        {file name in archive: bytes or file-like object}
  
      Returns
      -----------
      compressed : bytes
        Compressed file data