def update_averages(self, **stats: Number):
for key, value in stats.items():
self.averages.setdefault(key, {'count': 0, 'sum': 0})
item = self.averages[key]
item['count'] += 1
item['sum'] += value
self.status['average_' + key] = item['sum'] / item['count']
def adjust(self, **adjustments: Number) -> MorphologySelection:
for name, adjust in adjustments.items():
for elem in self.selected:
value = getattr(elem, name) + adjust
setattr(elem, name, value)
return self