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Python List Slicing with Arbitrary Indices
a = range(100)
s = [a[i] for i in [5,13,25]]

a = 0:99;
s = a([6,14,26])

>>> from operator import itemgetter
>>> a = range(100)
>>> itemgetter(5,13,25)(a)
(5, 13, 25)

In [37]: import numpy as np

In [38]: a = np.arange(100)

In [39]: s = a[[5,13,25]]

In [40]: s
Out[40]: array([ 5, 13, 25])

class MyList(list):
    def __getitem__(self, index):
        if not isinstance(index, tuple):
            return list.__getitem__(self, index)
        return [self[i] for i in index]

>>> m = MyList(i * 3 for i in range(100))
>>> m[20, 25,60]
[60, 75, 180]

a = list(range(99))
    s = [a[5], a[13], a[25]]