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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 generate_pattern_list(self):
 """ Generate a list of patterns with support counts. """

        patterns = {}
        items = self.frequent.keys()

        # If we are in a conditional tree,
        # the suffix is a pattern on its own.
        if self.root.value is None:
            suffix_value = []
        else:
            suffix_value = [self.root.value]
            patterns[tuple(suffix_value)] = self.root.count

        for i in range(1, len(items) + 1):
            for subset in itertools.combinations(items, i):
                pattern = tuple(sorted(list(subset) + suffix_value))
                patterns[pattern] = \
                    min([self.frequent[x] for x in subset])

        return patterns