save project

diy1.py

+i=3
 username="python"
 username="python"
 userpassword="541881845"
 userpassword="541881845"
 while True:
 while True:
-    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
-    if name != username:
-        print("用户名不存在，请重新输入")
-    if password !=userpassword:
-        print("密码输入有误，请重新输入")
+    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")
+        if password !=userpassword:
+            print("密码输入有误，请重新输入")
+    else:        
+        print("你的账户被锁定")
+        exit()
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
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