Create app.py

app.py

@@ -0,0 +1,14 @@
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route("/")
+def home():
+    return "Hello, Flask! 🚀"
+
+@app.route("/about")
+def about():
+    return "This is a simple Flask application."
+
+if __name__ == "__main__":
+    app.run(debug=True)