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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 get_layout_context(self):
 """ Returns the context which is used when rendering the form to HTML. The generated template context will contain the following variables: * form: `Form` instance * errors: `ErrorList` instance with non field errors and hidden field errors * hidden_fields: All hidden fields to render. * visible_fields: All visible fields to render. :return: Template context for form rendering. """

        errors = self.non_field_errors()
        for field in self.hidden_fields():
            errors.extend(field.errors)

        return {
            'form': self,
            'errors': errors,
            'hidden_fields': self.hidden_fields(),
            'visible_fields': self.visible_fields(),
        }