rename example file and add more logs. add ping.py

examples/ping.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+@Time    : 2024/4/22 14:28
+@Author  : alexanderwu
+@File    : ping.py
+"""
+
+import asyncio
+
+from metagpt.llm import LLM
+from metagpt.logs import logger
+
+
+async def ask_and_print(question: str, llm: LLM, system_prompt) -> str:
+    logger.info(f"Q: {question}")
+    rsp = await llm.aask(question, system_msgs=[system_prompt])
+    logger.info(f"A: {rsp}")
+    logger.info("\n")
+    return rsp
+
+
+async def main():
+    llm = LLM()
+    await ask_and_print("ping?", llm, "Just answer pong when ping.")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())