feat: add new examples from pocketflow-academy

cookbook/pocketflow-tool-crawler/utils/call_llm.py

@@ -0,0 +1,30 @@
+from openai import OpenAI
+import os
+
+# Initialize OpenAI client
+client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
+
+def call_llm(prompt: str) -> str:
+    """Call OpenAI API to analyze text
+    
+    Args:
+        prompt (str): Input prompt for the model
+        
+    Returns:
+        str: Model response
+    """
+    try:
+        response = client.chat.completions.create(
+            model="gpt-4",
+            messages=[{"role": "user", "content": prompt}]
+        )
+        return response.choices[0].message.content
+        
+    except Exception as e:
+        print(f"Error calling LLM API: {str(e)}")
+        return ""
+
+if __name__ == "__main__":
+    # Test LLM call
+    response = call_llm("What is web crawling?")
+    print("Response:", response)