# Индивидуальное задние 26
## Туровец Евгений
```py
def suma(d, keys):
return sum(d.get(k, 0) for k in keys)
dict1 = {1: 10, 2: 20, 3: 30, 4: 40}
keys = (1, 3, 5)
result = suma(dict1, keys)
print(result)
```
Вывод:
40
