def makeBoolIndex(k=10, name=None):
    if k == 1:
        return Index([True], name=name)
    elif k == 2:
        return Index([False, True], name=name)
    return Index([False, True] + [False] * (k - 2), name=name)
dataset/ETHPy150Open pydata/pandas/pandas/util/testing.py/makeBoolIndex/original