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


author = 'Yang Zhong'

doc = """
Finding two numbers that add up to desired number.
"""


class Constants(BaseConstants):
    name_in_url = 'unknown'
    players_per_group = None
    num_rounds = 10


class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    correct = models.IntegerField()
    payoff_unknown = models.FloatField(min=0, max=50)
    my_page_timeout_seconds = models.FloatField(min=0)
    time_spent = models.FloatField()

    survey = models.IntegerField()