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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 wrap(func):
 """Return wrapped function with type conversion and sanity checks. """

    @functools.wraps(func, assigned=('restype', 'argtypes'))
    def wrapped(*args):
        if len(args) != len(func.argtypes):
            logger.warn("{} {} not of same length",
                        args, func.argtypes)

        typed_args = []
        for (arg, argtype) in zip(args, func.argtypes):
            if argtype == c_char_p:
                # create a string buffer for strings
                typed_arg = create_string_buffer(arg)
            else:
                # for other types, use the type to do the conversion
                if hasattr(argtype, 'contents'):
                    # type is a pointer
                    typed_arg = argtype(argtype._type_(arg))
                else:
                    typed_arg = argtype(arg)
            typed_args.append(typed_arg)
        result = func(*typed_args)
        if hasattr(result, 'contents'):
            return result.contents
        else:
            return result
    return wrapped