aigouzz
diff --git a/‎01_base/练习/langchain/common.py‎
Lines changed: 9 additions & 0 deletions b/‎01_base/练习/langchain/common.py‎
Lines changed: 9 additions & 0 deletions
diff --git a/‎01_base/练习/langchain/main.py‎
Lines changed: 1 addition & 1 deletion b/‎01_base/练习/langchain/main.py‎
Lines changed: 1 addition & 1 deletion
@@ -0,0 +1,9 @@
+import requests
+
+def get_exchange_rate(base: str, target: str) -> str:
+    url = f"https://api.exchangerate-api.com/v4/latest/{base}"
+    response = requests.get(url)
+    data = response.json()
+    rate = data['rates'].get(target)
+    return f"1 {base} = {rate} {target}"
+print(get_exchange_rate("USD", "EUR"), get_exchange_rate("USD", "JPY"), get_exchange_rate("CNY", "JPY"))
@@ -20,7 +20,7 @@ def exchange_rate(input: str) -> str:
 
 llm = ChatOpenAI(model="deepseek-chat",api_key=os.getenv("DEEPSEEK_API_KEY"), base_url="https://api.deepseek.com", temperature=0)
 
-agent = create_agent(model=llm, tools=tools,)
+agent = create_agent(model=llm, tools=tools, system_prompt="You are a helpful assistant.when the user asks about currency conversion or exchange rate, use the exchange_rate tool. when the user asks about weather, use the weather tool.")
 
 while True:
     query = input("Enter your query (or 'exit' to quit): ")