save project

diy2.py

 username = "蔡徐坤"
 username = "蔡徐坤"
 userpassword = "鸡你太美"
 userpassword = "鸡你太美"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入鸡~:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name!=username:
-        print("鸡~不存在")   
-    if password!=userpassword:
-        print("你干嘛，哦噢~~~")
-    print("用户名和密码错误!请重新输入")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入鸡~:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name!=username:
+            print("鸡~不存在")   
+            continue
+        if password!=userpassword:
+            print("你干嘛，哦噢~~~")
+    else:
+        print("滚!你不是坤坤")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file