auto save

diy.py

+class Hero:               # 类名
+    def __init__(self, name, hp, attack):   # 用关键字def定义一个__init__方法，参数：(self)
+        self.level = 1    # 等级（类属性）
+        self.name = name  # 名字
+        self.hp = hp     # 生命（类属性）
+        self.attack = attack  # 攻击力（类属性）
+
+    def upgrade(self):
+        self.level = self.level + 1
+        self.hp = self.hp + 50
+        self.attack = self.attack + 4
+
+houyi = Hero("后羿",240,23)
+houyi.upgrade()
+print("等级为: ",houyi.level)
+print("血量为: ",houyi.hp)
+print("攻击力为: ",houyi.attack)
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