(self, dt)
return dt.month + 12 * dt.year
dt (datetime) => int
dt (datetime) => int
dt ( datetime ) = > int
def _total_mos(self, dt):
        """dt (datetime) => int"""
        return dt.month + 12 * dt.year
def _total_mos ( self , dt ) : return dt . month + 12 * dt . year