def test_compat_range(): l1 = _range(3) assert isinstance(l1, list) assert hasattr(l1, 'pop') assert l1 == [0, 1, 2] it = _iter_range(3) assert not isinstance(it, list) assert hasattr(it, '__iter__') assert it != [0, 1, 2] assert list(it) == [0, 1, 2]
def test_compat_range(): l1 = _range(3) assert isinstance(l1, list) assert hasattr(l1, 'pop') assert l1 == [0, 1, 2] it = _iter_range(3) assert not isinstance(it, list) assert hasattr(it, '__iter__') assert it != [0, 1, 2] assert list(it) == [0, 1, 2]
def bytes_to_bits(): """ :return: A 256 element list containing 8-bit binary digit strings. The list index value is equivalent to its bit string value. """ lookup = [] bits_per_byte = _range(7, -1, -1) for num in range(256): bits = 8 * [None] for i in bits_per_byte: bits[i] = "01"[num & 1] num >>= 1 lookup.append("".join(bits)) return lookup
def bytes_to_bits(): """ :return: A 256 element list containing 8-bit binary digit strings. The list index value is equivalent to its bit string value. """ lookup = [] bits_per_byte = _range(7, -1, -1) for num in range(256): bits = 8 * [None] for i in bits_per_byte: bits[i] = '01'[num & 1] num >>= 1 lookup.append(''.join(bits)) return lookup