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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 format(self, obj, context, maxlevels, level):
 # pylint: disable=arguments-differ """ Mask obj if it looks like an URL, then pass it to the super class. """

        if isinstance(obj, basestring) and "://" in fmt.to_unicode(obj):
            obj = mask_keys(obj)
        return pprint.PrettyPrinter.format(self, obj, context, maxlevels, level)