Create app.py

app.py

@@ -0,0 +1,16 @@
+from flask import Flask, request, render_template
+
+app = Flask(__name__)
+
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@app.route('/submit', methods=['POST'])
+def submit():
+    user_input = request.form['user_input']
+    modified_text = user_input + " hey"
+    return render_template('result.html', modified_text=modified_text)
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=7860)