save project

diy2.py

@@ -2,19 +2,21 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if i<=1
+    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 and password == userpassword:
             print("用户名错误！请重新输入")
-            break
-        i-=1
+            print("温馨提示"+str(i)+"次输入机会")
         if name == username and password != userpassword:
             print("密码错误！请重新输入")
+            print("温馨提示"+str(i)+"次输入机会")
             continue
         print("用户名和密码错误!请重新输入")
-            else:
-                exit()
+        else:
+            exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file