Tries to upgrade the level of the specified Hacknet Node by n.
Returns true if the Hacknet Node’s level is successfully upgraded by n or if it is upgraded by some positive amount and the Node reaches its max level.
Returns false otherwise.
<b>Signature:</b>
```typescript
upgradeLevel(index: number, n: number): boolean;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| index | number | Index/Identifier of Hacknet Node. |
| n | number | Number of levels to purchase. Must be positive. Rounded to nearest integer. |
<b>Returns:</b>
boolean
True if the Hacknet Node’s level is successfully upgraded, false otherwise.
