chore: import upstream snapshot with attribution

examples/basic/dynamic_system_prompt.py

@@ -0,0 +1,70 @@
+import asyncio
+import random
+from dataclasses import dataclass
+from typing import Literal
+
+from agents import Agent, RunContextWrapper, Runner
+
+
+@dataclass
+class CustomContext:
+    style: Literal["haiku", "pirate", "robot"]
+
+
+def custom_instructions(
+    run_context: RunContextWrapper[CustomContext], agent: Agent[CustomContext]
+) -> str:
+    context = run_context.context
+    if context.style == "haiku":
+        return "Only respond in haikus."
+    elif context.style == "pirate":
+        return "Respond as a pirate."
+    else:
+        return "Respond as a robot and say 'beep boop' a lot."
+
+
+agent = Agent(
+    name="Chat agent",
+    instructions=custom_instructions,
+)
+
+
+async def main():
+    context = CustomContext(style=random.choice(["haiku", "pirate", "robot"]))
+    print(f"Using style: {context.style}\n")
+
+    user_message = "Tell me a joke."
+    print(f"User: {user_message}")
+    result = await Runner.run(agent, user_message, context=context)
+
+    print(f"Assistant: {result.final_output}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
+
+
+"""
+$ python examples/basic/dynamic_system_prompt.py
+
+Using style: haiku
+
+User: Tell me a joke.
+Assistant: Why don't eggs tell jokes?
+They might crack each other's shells,
+leaving yolk on face.
+
+$ python examples/basic/dynamic_system_prompt.py
+Using style: robot
+
+User: Tell me a joke.
+Assistant: Beep boop! Why was the robot so bad at soccer? Beep boop... because it kept kicking up a debug! Beep boop!
+
+$ python examples/basic/dynamic_system_prompt.py
+Using style: pirate
+
+User: Tell me a joke.
+Assistant: Why did the pirate go to school?
+
+To improve his arrr-ticulation! Har har har! 🏴‍☠️
+"""