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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 smart_encode_str(s):
 """Create a UTF-16 encoded PDF string literal for `s`."""

    try:
        utf16 = s.encode('utf_16_be')
    except AttributeError:  # ints and floats
        utf16 = str(s).encode('utf_16_be')
    safe = utf16.replace(b'\x00)', b'\x00\\)').replace(b'\x00(', b'\x00\\(')
    return b''.join((codecs.BOM_UTF16_BE, safe))