from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range ) class Constants(BaseConstants): name_in_url = 'debrief' players_per_group = 2 num_rounds = 1 endowment = c(40) multiplier = 1.6 class Subsession(BaseSubsession): pass class Group(BaseGroup): total_contribution = models.CurrencyField() individual_share = models.CurrencyField() class Player(BasePlayer): contribution = models.CurrencyField(min=0, max=Constants.endowment)