code: def get_src_from_dst(_gdf, id):
      _src_list = _gdf.query("dst == @id")
  
      _src_list.drop("dst", inplace=True)
  
      return _src_list
  
file_path: cugraph/python/cugraph/cugraph/experimental/structure/bicliques.py
imports: import cudf
  import numpy
  from collections import OrderedDict
label_desc: Use image node_id 4 for calling a global function with example usage: get_src_from_dst(_gdf, id) and returns: _src_list