save project

diy2.py

@@ -2,18 +2,19 @@ i=3
 username = "python"
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
         i-=1
-        break
-    if name != username:
-        print("gfdzfg")
-        continue
-    if password !=userpassword:
-        print("dfsfuyigyfdz")
-else i == 0:
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("gfdzfg")
+            continue
+        if password !=userpassword:
+            print("dfsfuyigyfdz")
+    else i == 0:
     print("sadghjgfdsfghjdfgserdtygukhgfdsfgjyhdfsfdgjyfdsfadwesfgh")
     exit()
     print("用户名和密码错误!请重新输入")