fix(examples): correct method call in basic agent example

Fix in examples/01_basic_agent.py:\n- Replace incorrect runCityInput(city="Tokyo")) call\n- Use correct run(CityInput(city="Tokyo")) method\n- Remove extra closing parenthesis

Author: Pierre

examples/01_basic_agent.py

@@ -67,7 +67,7 @@ async def main():
     # Example 2: Using Tokyo
     print("\nExample 2: Using Tokyo")
     print("-" * 50)
-    run = await get_capital_info.runCityInput(city="Tokyo"))
+    run = await get_capital_info.run(CityInput(city="Tokyo"))
     print(run)