# D-Wave Inspector

### Prerequisites

You need a D-Wave API key to submit jobs to D-Wave Cloud. You can create a trial account and copy your API key from [D-Wave LEAP.](https://cloud.dwavesys.com/leap/)

To prepare the Nuvolos environment:

1. Open Applications and add a new VSCode app of type Code-Server 4.8.3 +D-Wave to your working instance.
2. Start the application. It creates a demo script at `/files/dwave_test.py`.
3. Open a Terminal and configure your D-Wave Cloud connection with the command:

   ```
   dwave config create
   ```
4. When prompted, paste your D-Wave API key from the [LEAP dashboard](https://cloud.dwavesys.com/leap/).

### Running your first computing job

In the terminal, once you have configured your D-Wave cloud access, run the demo Python script with `python dwave_test.py`.

The following script runs a very simple computation on D-Wave's QPU in the cloud:

```python
import dwave.systemimport dwave.inspector
from dwave.system.samplers import DWaveSampler
from dwave.system.composites import EmbeddingComposite

sampler = EmbeddingComposite(DWaveSampler())
h = {'a': -1., 'b': 2}
J = {('a', 'b'): 1.5}
response = sampler.sample_ising(h, J)

# Inspect
dwave.inspector.show(response, block=dwave.inspector.Block.FOREVER)
```

The last line of the script will open D-Wave Inspector in a new editor tab and block until CTRL+D or CTRL+C is pressed. The D-Wave Inspector application only runs until the script is terminated.


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