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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 populate_hazard_classification(self):
 """Populate hazard classification on hazard class form."""

        new_class = {
            'value': self.radius_form.value(),
            'name': self.class_form.text()}
        self.classification.append(new_class)
        self.classification = sorted(
            self.classification, key=itemgetter('value'))

        self.hazard_class_form.clear()
        for item in self.classification:
            new_item = '{value} - {name}'.format(
                value=item['value'], name=item['name'])
            self.hazard_class_form.addItem(new_item)

        self.radius_form.setValue(0)
        self.class_form.clear()
        self.ok_button_status()