from otree.api import (
    models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
    Currency as c, currency_range
)
import random

doc = """
イントロダクション
"""


class Constants(BaseConstants):
    name_in_url = 'introduction'
    players_per_group = None
    num_rounds = 1


class Subsession(BaseSubsession):

    conditionGSI = models.IntegerField()

    def get_game(self):
        self.conditionGSI = self.session.config['conditionGSI']

class Group(BaseGroup):
    pass


class Player(BasePlayer):
    pass