Untitled

from flask import Flask, render_template
from flask_wtf import FlaskForm
from wtforms import StringField, PasswordField

app = Flask(__name__)
app.config['SECRET_KEY'] = '123456'


class LoginForm(FlaskForm):
     username = StringField('username')
     password = PasswordField('password')


@app.route('/form', methods=['GET', 'POST'])
def index():
     form = LoginForm()
     s = form.username.data
     s1 = form.password.data
     return f'Your username is {s} and your password is {s1}', render_template('index.html', form=form)


if __name__ == "__main__":
     app.run(debug=True)


<!DOCTYPE html>
<html>
<head>
    <title>Form!</title>
</head>
<body>
    <h1>Our form will be here!</h1>
    <form method="GET" action="{{ url_for('index') }}">
        {{ form.csrf_token }}
        {{ form.username.label }}
        {{ form.username }}
        {{ form.password.label }}
        {{ form.password }}
        <input type="submit" value="Submit">
    </form>
</body>
</html>