Groups :

- A : (Product -> id, name, brand, model, barcode, buy_price, sell_price)
    - roozbeh abadi
    - nika mohseni
    - adrina ghavami
    - mahsa aria
    - nima sanaati
    - artin hasem beyk
    

- B : (Lesson -> id, title, week_day, start_date, start_time, end_time)
    - mehran mahjoob
    - zahra naderi
    - nastaran akbarian
    - mehrsa aria
    - aria moghadam
    - nima kazemi


- C : (User -> id, name, family, bitrh_date, username, password, is_active)
    - fatemeh aria
    - amir mohammad eskandari
    - younes kamyab
    - mobina vaziri
    - mehrbod mehrabani
    - paniz abootalebi


- D (Online) (Payment -> id, account_id, amount, date_time, person ) :
    - ayda shams
    - amir shayan emami poor
    - bardia zaghari
    - matin shahabadi
    - mina rezaii
    - zahra khosravi