from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) import random r_num = random.randint(3,5) author = 'Your name here' doc = """ Your app description """ class Constants(BaseConstants): name_in_url = 'shinichi' players_per_group = 2 num_rounds = 1 class Subsession(BaseSubsession): def creating_session(self): self.group_randomly() print(self.get_group_matrix()) class Group(BaseGroup): num_productionl = models.IntegerField(label) pricel = models.IntegerField(label=) class Player(BasePlayer):