save project

diy2.py

+cishu=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if cishu>0:
+        cishu-=1
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if name != username:
         if name != username:
-        print("用户名错误,请重新输入。")
+            print("用户名错误,请重新输入。(您还有cishu次机会)")
         if password != userpassword:
         if password != userpassword:
             print("密码错误,请重新输入。") 
             print("密码错误,请重新输入。") 
+    else:
+        print("请拿着证件来本公司解锁")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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