save project

diy2.py

+i=0
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    a = input("请输入用户名:")
-    b = input("请输入密码:")
-    if a == username and b == userpassword:
-        print("登录成功!")
-        break
-    else:
+    if i>0:
+        a = input("请输入用户名:")
+        b = input("请输入密码:")
+        i-=1
+        if a == username and b == userpassword:
+            print("登录成功!")
+            break
         if a !=username:
         if a !=username:
             print("账号输入错误")
             print("账号输入错误")
             continue
             continue
-        elif b !=userpassword:
+        if b !=userpassword:
             print("密码输入错误")
             print("密码输入错误")
+    else:
+        print("你的账号已锁定，请带身份证来我司解锁")
+        exit()
\ No newline at end of file