data = [[0.0, 100.0], [0.1, 93.08], [0.3, 92.85], [0.5, 92.62], [0.7, 91.12
    ], [0.9, 90.89]]
listx = [item[0] for item in data]
listy = [item[1] for item in data]
Get items from multidimensional list Python