Update app.py

app.py

@@ -1,10 +1,7 @@
-from flask import Flask
-
-app = Flask(__name__)
-
-@app.route('/')
-def home():
-    return 'Hello, World!'
-
-if __name__ == '__main__':
-    app.run(debug=True)
+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/api")
+def read_data():
+    return {"message": "Hello from FastAPI!"}