save project

diy2.py

@@ -4,14 +4,12 @@ class Car:
         self.master = master
         self.name = name
         self.speedTime = speedTime
-
+    def updata(self , speedTime):
+        self.speedTime-=speedTime
 BMW_Z4 = Car("BMW_Z4" , "林隽韬" , 2.3)
 TOYOTA_86 = Car("TOYOTA_86" , "陈长浩" , 3.4)
-
-def updata(self):
-
-updata()
-
+BMW_Z4.updata(0.4)
+TOYOTA_86.updata(0.7)
 print(BMW_Z4.master + "的车是" + BMW_Z4.name)
 print(BMW_Z4.name + "百里加速度是" + str(BMW_Z4.speedTime)+'s')
 print(TOYOTA_86.master + "的车是" + TOYOTA_86.name)