save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 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("用户名错误!请重新输入")
-        continue
-    if password != userpassword :
-        print("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:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username :    
+            print("用户名错误!请重新输入")
+            continue
+        if password != userpassword :
+            print("密码错误!请重新输入")
+    else:
+            print("您已被淘汰")
+            exit()
 print("欢迎来到王者荣耀!敌军还有5秒到达战场，请做好准备！")
 print("您已进入一级战备状态，加油，特种兵！")      
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