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

doc = ''
class Constants(BaseConstants):
    name_in_url = 'test_survey'
    players_per_group = None
    num_rounds = 1
class Subsession(BaseSubsession):
    pass
class Group(BaseGroup):
    pass
class Player(BasePlayer):
    name = models.StringField(label='你的名字是？')
    student_id = models.IntegerField(label='你的学号是？')