python
from flask import Flask, render_template, request
from flask_wtf import FlaskForm
from wtforms import StringField, IntegerField
from wtforms.validators import DataRequired, Length
app = Flask(__name__)
app.config['SECRET_KEY'] = 'your_secret_key'
class MyForm(FlaskForm):
@app.route('/', methods=['GET', 'POST'])
def index():
form = MyForm()
if form.validate_on_submit():
return render_template('index.html', form=form)
if __name__ == '__main__':
app.run()
