(conds)
return wo1
[ [wc, wo, wv],
      [wc, wo, wv], ...
    ]
[ [wc, wo, wv],
      [wc, wo, wv], ...
    ]
[ [ wc wo wv ] [ wc wo wv ] ... ]
def get_wo1(conds):
    """
    [ [wc, wo, wv],
      [wc, wo, wv], ...
    ]
    """
    wo1 = []
    for cond in conds:
        wo1.append(cond[1])
    return wo1
def get_wo1 ( conds ) : wo1 = [ ] for cond in conds : wo1 . append ( cond [ 1 ] ) return wo1