def testLB ( self ) :
    assert vp_lower_bound ( [ ] , None ) == 0
    items = [ self . i1 , self . i2 ]
    assert vp_lower_bound ( items , Bin ( [ 1 , 1 , 1 ] ) ) == 6
    assert vp_lower_bound ( items , Bin ( [ 8 , 8 , 8 ] ) ) == 1
    assert vp_lower_bound ( items , Bin ( [ 2 , 4 , 6 ] ) ) == 2
    assert vp_lower_bound ( items , Bin ( , [ 2 , 5 , 2 ] ) ) == 3

def testLB ( self ) :
    assert vp_lower_bound ( [ ] , None ) == 0
    items = [ self . i1 , self . i2 ]
    assert vp_lower_bound ( items , Bin ( [ 1 , 1 , 1 ] ) ) == 6
    assert vp_lower_bound ( items , Bin ( [ 8 , 8 , 8 ] ) ) == 1
    assert vp_lower_bound ( items , Bin ( [ 2 , 4 , 6 ] ) ) == 2
    assert vp_lower_bound ( items , Bin ( [ 2 , 5 , 2 ] ) ) == 3

次に示すpythonコードの誤りを修正しなさい。