问如何在电报bot中创建“方法”

EN

keyboard=  types.ReplyKeyboardMarkup(row_width=1)
help_btn =  types.KeyboardButton('Aiuto')
min_price = types.KeyboardButton('Prezzominimo')
max_price = types.KeyboardButton('Prezzomassimo')
range_price = types.KeyboardButton('Range') 
keyboard.row(min_price)
keyboard.row(max_price)
keyboard.row(range_price)
keyboard.row(help_btn)














bot = telebot.AsyncTeleBot(TOKEN,'HTML')

if bot_is_active:

@bot.message_handler(commands=["start"])
def main_menu(message):
    bot.send_message(message.chat.id,"Benvenuto,questo bot ti permette di cercare articoli su Amazon",reply_markup=keyboard)
pass



@bot.message_handler(func=lambda message:True)
def kb1_handler(message):
    if message.text == 'Aiuto':
        bot.send_message(message.chat.id,Help message)    
    elif message.text == 'Range':
        bot.send_message(message.chat.id,"Cosa cerchi?")
        #range_set = True
    elif message.text == 'Prezzominimo':
        bot.send_message(message.chat.id,"Cosa cerchi?")
        min_set = True
    else:
        bot.send_message(message.chat.id,"Cosa cerchi?")
        #max_set = True
    pass

    if min_set:
        bot.send_message(message.chat.id,"trovato")

pass