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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 is_period(arr):
 """ Check whether an array-like is a periodical index. .. deprecated:: 0.24.0 Parameters arr : array-like The array-like to check. Returns ------- boolean Whether or not the array-like is a periodical index. Examples -------- False False True """


    warnings.warn("'is_period' is deprecated and will be removed in a future "
                  "version.  Use 'is_period_dtype' or is_period_arraylike' "
                  "instead.", FutureWarning, stacklevel=2)

    return isinstance(arr, ABCPeriodIndex) or is_period_arraylike(arr)