class Field: """ The field (payoff values) YOU A B ME A (Me, You) B """ choices = 2 desc = ('Zero', 'One') field = ( ( (0,0),(0,0) ), ( (0,0),(0,0) ) ) def __init__(self): pass class Field_Market(Field): choices = 2 desc = ('Sell', 'Do Not Sell') field = (((05,05), (10,-10)), \ ((-10,10), (00,00))) class Field_Confess(Field): choices = 2 desc = ('Confess', 'Do Not Confess') field = (((-5,-5), (0,-20)), \ ((-20,0), (-1,-1)))