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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 move(src, dest, user=None):
 """ Move or rename src to dest. """

    src_host, src_port, src_path = path.split(src, user)
    dest_host, dest_port, dest_path = path.split(dest, user)
    src_fs = hdfs(src_host, src_port, user)
    dest_fs = hdfs(dest_host, dest_port, user)
    try:
        retval = src_fs.move(src_path, dest_fs, dest_path)
        return retval
    finally:
        src_fs.close()
        dest_fs.close()