save project

user name.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name=input("请输入账号:")
-    password=input("请输入密码:")
-    if username==name and password==userpassword:
-        print("登录成功")
-        break
-    if username !=name:
-        print("用户名不存在，请重新输入")
-        continue
-    if userpassword !=password:
-        print("密码错误，请重新输入")
-        continue
-print("欢迎来到贝尔编程！")
+    if i<3
+        name=input("请输入账号:")
+        password=input("请输入密码:")
+        if username==name and password==userpassword:
+            print("登录成功")
+            break
+        if username !=name:
+            print("用户名不存在，请重新输入")
+            i-=1
+            continue
+        if userpassword !=password:
+            print("密码错误，请重新输入")
+            i-=1
+        if i<0:
+            print("您的账户已被锁定，请带身份证到我司解锁")
+            exit
+    print("欢迎来到贝尔编程！")