auto save

diy2.py

-i=3
+
 username = "python"
 userpassword = "123456"
-while True:
-    if i>0
+
+    if i>0:
+        i-=1
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
@@ -10,10 +11,10 @@ while True:
             break
         if name != username :
             print("错")
-            print("您所剩次数还有+str(i)+次机会")
+            print("您所剩次数还有"+str(i)+"次机会")
         elif password != userpassword:
             print("错")
-            print("您所剩次数还有+str(i)+次机会")
+            print("您所剩次数还有"+str(i)+"次机会")
     else:
         print("已锁定")
         exit()