parameters: (listOfLists)
return_statement: return itertools.chain.from_iterable(listOfLists)
docstring: Flatten one level of nesting
docstring_summary: Flatten one level of nesting
docstring_tokens: Flatten one level of nesting
function: def flatten(listOfLists):
      "Flatten one level of nesting"
      return itertools.chain.from_iterable(listOfLists)
function_tokens: def flatten ( listOfLists ) : return itertools . chain . from_iterable ( listOfLists )