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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_package_status(package):
 """Get the status for a package."""

    status = package["status_str"] or "Unknown"
    stage = package["stage_str"] or "Unknown"
    if stage == "Fully Synchronised":
        return status
    return "%(status)s / %(stage)s" % {"status": status, "stage": stage}