main.py

from flask import Flask, session, render_template, jsonify, request
app = Flask(__name__)
app.secret_key = "super secret key"

playNum = '0'

displayNum = '0'

@app.route('/')
def hello_world():
    return render_template('index.html')

@app.route('/get')
def getting():
    global playNum
    return jsonify({
            "id":  playNum
    })

@app.route('/getNumber')
def getting1():
    global displayNum
    return displayNum

@app.route('/putNumber/<id>')
def getting2(id):
    global displayNum
    displayNum = id
    print(id)
    return displayNum



@app.route('/submit')
def submit():
    global playNum
    playNum  = request.args.get("id")
    return jsonify({
            "id":  playNum
    })

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8081, debug=True)