auto save

diy2.py

+i=3
+username = "danzai"
+userpassword = "54188"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name!=username:
+            print("用户名不存在，请重新输入")
+            continue
+        if password!=userpassword:
+            print("密码输入错误，请重新输入")
+    else:
+        print("你的账号已被锁定，请拿上身份证到蛋仔中心解锁")
+    exit()
+print("欢迎来到蛋仔派对!")
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