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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 get_disk_usage(path):
 """ Returns the allocated disk space for the given path in bytes. :param path: String representing the path as it would be given to the `du` command. Best to give an absolute path here. """

    cmd = 'du -sh --block-size=1 {0}'.format(path)
    total = getoutput(cmd).split()[0]
    return int(total)