Task
📝 **Task:** `total(numbers)` returns the sum of a list via `sum()`.
📋 **Steps:**
1. `def total(numbers):`
2. `return sum(numbers)`
3. Call `total([10, 20, 30])`
💡 **Similar example:**
```python
def add_all(values):
return sum(values)
print(add_all([1, 2, 3, 4])) # 10
```
🎯 **Expected output:** `60`