Иван

while True:
    hour = time.time().tm_hour
    if hour >= 0 and hour =< 6 or hour < 24 and hour >= 20:
        #устанавливаешь ночную обложкy
    else: ...
    time.sleep(3600)

#шаблон
comp = re.compile('([.]+)/([0-9]+)')
#поиск по шаблону
res = comp.findall('asad/121020')
print(res)
#['asad', '121020']

c.execute('SELECT * FROM table_name WHERE value1 = value2')
result = c.fetchall()

if menu == 'change':
    if message.text == 'алгебра':
        ...
    else:
        send('неправильный выбор')

keyboard = '''
{
   "one_time": false,
   "buttons": [
      [
         {
            "action": {
               "type": "text",
               "label": "Подписаться"
            },
            "color": "positive"
         },
         {
            "action": {
               "type":"text",
               "label":"Отписаться"
            },
            "color": "negative"
         },
     {
            "action": {
               "type":"text",
               "label":"Команды"
            },
            "color": "primary"
    }
     
      ]
[
         {
            "action": {
               "type": "text",
               "label": "Кнопка 1"
            },
            "color": "positive"
         },
         {
            "action": {
               "type":"text",
               "label":"Кнопка 2"
            },
            "color": "negative"
         },
     {
            "action": {
               "type":"text",
               "label":"Вернуться назад"
            },
            "color": "primary"
    }
     
      ]
   ]
}
'''