save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 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("账号错误")
-        continue
-    if password!=userpassword:
-        print("密码错误")
-    print("用户名和密码错误!请重新输入")
+    if i>0:
+        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("账号错误")
+            continue
+        if password!=userpassword:
+            print("密码错误")
+        print("用户名和密码错误!请重新输入")
+    else:
+        print("你的账户已被锁定，请带身份证来我司解锁")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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