Update call_llm.py with beginner friendly AI Studio key support

Adding a whole client definition for those using AI Studio

Author: SkrOYC

utils/call_llm.py

@@ -48,6 +48,10 @@ def call_llm(prompt: str, use_cache: bool = True) -> str:
         project=os.getenv("GEMINI_PROJECT_ID", "your-project-id"),
         location=os.getenv("GEMINI_LOCATION", "us-central1")
     )
+    # You can comment the previous line and use the AI Studio key instead:
+    # client = genai.Client(
+    #     api_key=os.getenv("GEMINI_API_KEY", "your-api_key"),
+    # )
     model = os.getenv("GEMINI_MODEL", "gemini-2.5-pro-exp-03-25")
     response = client.models.generate_content(
         model=model,
@@ -118,4 +122,4 @@ def call_llm(prompt: str, use_cache: bool = True) -> str:
     print("Making call...")
     response1 = call_llm(test_prompt, use_cache=False)
     print(f"Response: {response1}")
-    
+