(iterable)
Specialized implementation of itertools.chain.from_iterable.
    Each item in *iterable* should be a list.  This function is
    careful not to keep references to yielded objects.
Specialized implementation of itertools.chain.from_iterable.
    Each item in *iterable* should be a list.  This function is
    careful not to keep references to yielded objects.
Specialized implementation of itertools . chain . from_iterable . Each item in * iterable * should be a list . This function is careful not to keep references to yielded objects .
def _chain_from_iterable_of_lists(iterable):
    """
    Specialized implementation of itertools.chain.from_iterable.
    Each item in *iterable* should be a list.  This function is
    careful not to keep references to yielded objects.
    """
    for element in iterable:
        element.reverse()
        while element:
            yield element.pop()
def _chain_from_iterable_of_lists ( iterable ) : for element in iterable : element . reverse ( ) while element : yield element . pop ( )