save project

diy2.py

 username = "python"
 userpassword = "123456"
+i=5
 while True:
-    name=input("请输入姓名：")
-    password=input("请输入密码：")
-    if name==username and password== userpassword:
-        print('登陆成功！')
-        break
-    if name!=username:
-        print("用户名错误")  
-        continue  
-    if password!=userpassword:
-        print("用密码错误")   
-    print("重新输入")
+    if i>0
+        name=input("请输入姓名：")
+        password=input("请输入密码：")
+        i-=1
+        if name==username and password== userpassword:
+            print('登陆成功！')
+            break
+        if name!=username:
+            print("用户名错误")  
+            continue  
+        if password!=userpassword:
+            print("用密码错误")   
+        print("重新输入")
+    else:
+        print('你废了,特种兵马上到') 
+        exit()   
 print("欢迎来到贝编程")
\ No newline at end of file