save project

diy2.py

@@ -2,18 +2,19 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    if i>0
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
-    i-=1
+        i -= 1
         if name == username and password == userpassword:
             print("登录成功!")
             break
-    elif name !=username:
+        if name !=username:
             print("用户名和密码错误!请重新输入")
-else:
+            continue
+        if password != userpassword:
             print("用户名和密码错误!请重新输入")
-else:
+    else:
         print("试个屁")
-    exit（）
+        exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file