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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 quantile(x, q):
 """ Calculates the q quantile of x. This is the value of x greater than q% of the ordered values from x. :param x: the time series to calculate the feature of :type x: numpy.ndarray :param q: the quantile to calculate :type q: float :return: the value of this feature :return type: float """

    x = pd.Series(x)
    return pd.Series.quantile(x, q)