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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 plat_specific_errors(*errnames):
 """Return error numbers for all errors in errnames on this platform. The 'errno' module contains different global constants depending on the specific platform (OS). This function will return the list of numeric values for a given list of potential names. """

    missing_attr = set([None, ])
    unique_nums = set(getattr(errno, k, None) for k in errnames)
    return list(unique_nums - missing_attr)