Update basic example

examples/basic.py

@@ -1,8 +1,14 @@
 import json
+import argparse
+
 from llama_cpp import Llama
 
-llm = Llama(model_path="models/...")
+parser = argparse.ArgumentParser()
+parser.add_argument("-m", "--model", type=str, default="../models/...")
+args = parser.parse_args()
 
-output = llm("Q: Name the planets in the solar system? A: ", max_tokens=32, stop=["Q:", "\n"], echo=True)
+llm = Llama(model_path=args.model)
+
+output = llm("Question: What are the names of the planets in the solar system? Answer: ", max_tokens=48, stop=["Q:", "\n"], echo=False)
 
 print(json.dumps(output, indent=2))