code: def create_collections(self, payload, last_modified=None):
          
          # no point in proceeding if there's no 'name' key
          for item in payload:
              if "name" not in item:
                  raise ze.ParamNotPassed("The dict you pass must include a 'name' key")
              # add a blank 'parentCollection' key if it hasn't been passed
              if "parentCollection" not in item:
                  item["parentCollection"] = ""
          headers = {"Zotero-Write-Token": token()}
          if last_modified is not None:
              headers["If-Unmodified-Since-Version"] = str(last_modified)
          headers.update(self.default_headers())
          req = requests.post(
              url=self.endpoint
              + "/{t}/{u}/collections".format(t=self.library_type, u=self.library_id),
              headers=headers,
              data=json.dumps(payload),
          )
          self.request = req
          try:
              req.raise_for_status()
          except requests.exceptions.HTTPError:
              error_handler(req)
          return req.json()
docs: Create new Zotero collections
          Accepts one argument, a list of dicts containing the following keys:
  
          'name': the name of the collection
          'parentCollection': OPTIONAL, the parent collection to which you wish to add this