code: def get_cols_in(self, path, cols):
      curr_root = self.data
      for p in path:
          curr_root = curr_root[p]
      req_cols = {}
      for col in cols:
          req_cols[col] = curr_root[col] if col in curr_root else {}
      return req_cols
  
imports: import requests
label_desc: Use image node_id 4 for calling the NPM obj's underlying member method code with example usage: obj.get_cols_in(path, cols) and returns: req_cols