auto save

1.py

+i = 3
+username = "gaogui"
+userpassword = "966"
+while True:
+    if i>0:
+        name = input("用户名:")
+        password = input("密码:")
+        i -= 1
+        if name == username and password == userpassword:
+            print("成功!")
+            break
+        if name != username:
+            print("错误,请重新输入!")
+            continue
+        if password != userpassword:
+            print("输入有误,请重新输入!")
+    else:
+        print("你的账户已经被嘟嘟黑掉了，哈哈哈哈！")
+        exit()
+print("欢迎来到高贵的银行!")
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