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import json
from http.server import BaseHTTPRequestHandler, HTTPServer
def transition(task, status):
if status not in {"todo", "in_progress", "done"}:
raise ValueError("Unknown task status")
return {**task, "status": status}
class Handler(BaseHTTPRequestHandler):
def do_GET(self):
if self.path != "/tasks":
self.send_error(404)
return
payload = json.dumps([{"id": "task-1", "title": "Review the demo", "status": "todo"}]).encode()
self.send_response(200)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(payload)))
self.end_headers()
self.wfile.write(payload)
if __name__ == "__main__":
HTTPServer(("127.0.0.1", 8080), Handler).serve_forever()