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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 append_volume(runtime, source, target, writable=False):
 # type: (List[Text], Text, Text, bool) -> None """Add binding arguments to the runtime list."""

        runtime.append(u"--volume={}:{}:{}".format(
            docker_windows_path_adjust(source), target,
            "rw" if writable else "ro"))