auto save

diy2.py

@@ -2,19 +2,18 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    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:
-            print('账号输入错误')
-            continue
-        else:
-            print('密码输入错误')
+    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:
+        print('账号输入错误')
+        continue
     else:
-        print('登录次数用完啦')
-        exit()
+        print('密码输入错误')
+        if i==0:
+            (exit)
+
 print('欢迎来到编程世界')
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