save project

diy2.py

@@ -5,15 +5,16 @@ while True:
     if i>0:
     if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i -= 1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
-    
-    elif name != username:
+        if name != userpassword:
             print("名字错了,请重新输入!")
             print("名字错了,请重新输入!")
-    else:
+            continue
+        if password!=userpassword:
             print("密码输入有误,请重新输入!")
             print("密码输入有误,请重新输入!")
-    
+    else:
         print("用户名和密码错误!请重新输入")
         print("用户名和密码错误!请重新输入")
-    exit
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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