save project

diy2.py

 username = "p1n"
 userpassword = "1"
+i = 3
 while True:
-    name = input("请输入用户名:")
-    if username != name:
-        print('你名字错了')
-        continue
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
+    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 username != name:
+            print('你名字错了')
+            continue
+        if userpassword != password:
+            print('你密码错了')
     else:
-        print('你密码错了')
+        print('没机会了，毁灭吧')
+        exit()
 print("欢迎来到贝尔编程!")
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