```CODE: 
print("Available tasks:")
for name, prefix in model.prompts.items():
    print(f" {name}: "{prefix}"")
print("-"*80)

for sentence in [sentence_high, sentence_medium, sentence_low]:
    print("🙋‍♂️")
    print(sentence)
    embeddings = model.encode(sentence, prompt_name="STS")
    similarities = model.similarity(embeddings[0], embeddings[1])
    print("`-> 🤖 score: ", similarities.numpy()[0][0])
```

ERROR: 
Traceback (most recent call last):
  File "/tmp/google_embeddinggemma-300m_5grCBzN.py", line 15, in <module>
    for name, prefix in model.prompts.items():
                        ^^^^^
NameError: name 'model' is not defined