auto save

2-14-diy4.py

+class Hero:
+    def __init__(self, name, hp, attack):
+        self.level = 1
+        self.name = name      # name:名字
+        self.hp= hp
+        self.attack= attack     # attack：攻击
+        
+    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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2-4-diy4-2.py

+username = "python"
+userpassword = "123456"
+while True:
+    if
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功!")
+        break
+    elif name != username:
+        print("用户名不存在,请重新输入!")
+    else:
+        print("密码输入有误,请重新输入!")
+print("欢迎来到贝尔编程!")
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2-5-diy5.py

+j = 3   # 列
+i = 5   # 行
+print(j, '*', i,'=', (j * i))
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2-5-diy6.py

+i=1
+for j in range(1,10):
+    print(j, '*', i,'=', (j * i), end="  ")
\ No newline at end of file