def on_step6_dev_clicked(self):
a0 = self.a0_dev.text()
a1 = self.a1_dev.text()
f = self.f_dev.text()
t = self.t_dev.text()
Ms.os(a0,a1,f,t)
Ms.spin(500,20)
Ms.s.stop()
def on_step5_dev_clicked(self):
a0 = self.a0_dev.text()
a1 = self.a1_dev.text()
f = self.f_dev.text()
t = self.t_dev.text()
Ms.os(a0,a1,f,t)