original_docstring: Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases 
      
      Parameters
      ----------
      source : str
          source database
      target : str
          target database
      force_download : bool, optional
          if set to True overwrites pre-existing database file with the same name (the default is False, which [default_description])
      
      Returns
      -------
      graph
          bipartite link graph
      
docstring: Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases
  Parameters
  
  source : str
  source database
  target : str
  target database
  force_download : bool, optional
  if set to True overwrites pre-existing database file with the same name (the default is False, which [default_description])
  
  Returns
  
  graph
  bipartite link graph
docstring_tokens: Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases Parameters source : str source database target : str target database force_download : bool optional if set to True overwrites pre - existing database file with the same name ( the default is False which [ default_description ] ) Returns graph bipartite link graph
code: def kegg_link_graph(source, target, force_download = False):
      """Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases 
      
      Parameters
      ----------
      source : str
          source database
      target : str
          target database
      force_download : bool, optional
          if set to True overwrites pre-existing database file with the same name (the default is False, which [default_description])
      
      Returns
      -------
      graph
          bipartite link graph
      """
  
  
      graphname = "{}_to_{}".format(source, target)
      
      nodes1, nodes2 = keggapi_link(source, target, verbose = True)
      
      graph = nx.Graph()
      graph.name = graphname
      populate_graph(graph, nodes1, nodes2, source, target)
      
      return graph
code_tokens: def kegg_link_graph ( source , target , force_download = False ) : graphname = "{}_to_{}" . format ( source , target ) nodes1 , nodes2 = keggapi_link ( source , target , verbose = True ) graph = nx . Graph ( ) graph . name = graphname populate_graph ( graph , nodes1 , nodes2 , source , target ) return graph
short_docstring: Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases
  Parameters
short_docstring_tokens: Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases Parameters
comment: """Returns a NetworkX bipartite link graph with nodes from source and target KEGG databases 
      
      Parameters
      ----------
      source : str
          source database
      target : str
          target database
      force_download : bool, optional
          if set to True overwrites pre-existing database file with the same name (the default is False, which [default_description])
      
      Returns
      -------
      graph
          bipartite link graph
      """