auto save

diy1.py

 username = "python"
 userpassword = "123456"
 
+i = 3
+
 while True:
-    name = input("输入账号：")
-    password = input("输入密码：")
+    if i>0:
+        name = input("输入账号：")
+        password = input("输入密码：")
 
-    if name == username and password == userpassword:
-        print("登入成功！")
-        break
-    if name != username:
-        print("账号错误！")
-    else:
+        i -= 1
+
+        if name == username and password == userpassword:
+            print("登入成功！")
+            break
+        if name != username:
+            print("账号错误！")
+            print("还剩",i,"次！")
+            continue
         if not password == userpassword:
             print("密码错误！")
-    print("登入失败！")
\ No newline at end of file
+            print("还剩",i,"次！")
+        print("登入失败！")
+    else:
+        print("次数用完！")
+        exit()
\ No newline at end of file