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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def decode_to_bin_keypath(path):
 """ Decodes bytes into a sequence of 0s and 1s Used in decoding key path of a KV-NODE """

    path = encode_to_bin(path)
    if path[0] == 1:
        path = path[4:]
    assert path[0:2] == PREFIX_00
    padded_len = TWO_BITS.index(path[2:4])
    return path[4+((4 - padded_len) % 4):]