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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 load_le32(buf, pos):
 """Load little-endian 32-bit integer"""

    end = pos + 4
    if end > len(buf):
        raise BadRarFile('cannot load le32')
    return S_LONG.unpack_from(buf, pos)[0], pos + 4