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app.py

+from flask import Flask, render_template, request
+
+app = Flask(__name__)
+
+@app.route("/")
+def index():
+    return render_template("index.html")
+
+@app.route("/save", methods=["POST"])
+def save_data():
+    input1 = request.form.get("input1")
+    input2 = request.form.get("input2")
+    input3 = request.form.get("input3")
+
+    # Save the data to a file or database
+    with open("data.txt", "a") as f:
+        f.write(f"{input1}, {input2}, {input3}\n")
+
+    return "Data saved successfully."
+
+if __name__ == "__main__":
+    app.run(debug=True)