@app.route('/', methods = ['GET', 'POST'])
def phone_number_form():
    if request.method == 'GET':
        return render_template('index.html', phone_number='')
        #return render_template('index.html', phone_number = None)
    else:
        phone_number = request.form['phone']
        #print(phone_number)
        get_red_packet = ele_red_packet(phone_number)
        return render_template('index.html', phone_number=get_red_packet)
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