save project

diy1.py

+i=3
 username = "jjj"    
 username = "jjj"    
 userpassword = "114514"   
 userpassword = "114514"   
 while True:
 while True:
-    name=input("请输入账号")
-    password=input("请输入密码")
-    if name==username and password==userpassword:
-        print("登陆成功")
-        break
-    if name != username:
-        print("用户名不存在")
-        continue
-    if password != userpassword:
-        print("密码错误")    
+    if i>0:
+        name=input("请输入账号")
+        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("用户名不存在")
+            continue
+        if password != userpassword:
+            print("密码错误")
+    else:
+        print("账号已被锁定，请趋势!!!")
+        exit()
+                    
 print("欢迎来到贝尔")   
 print("欢迎来到贝尔")   
\ No newline at end of file