import flask
# A simple Flask App which takes
# a user's name as input and responds
# with "Hello {name}!"
app = flask.Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def index():
message = ''
if flask.request.method == 'POST':
message = 'Hello ' + flask.request.form['name-input'] + '!'
return flask.render_template('index.html', message=message)
if __name__ == '__main__':
app.run()