save project

ji.py

+i=3
 username="python"
 username="python"
 userpassword="123456"
 userpassword="123456"
 while True:
 while True:
-    name=input("请输入用户名：")
-    password=input("请输入密码")
-    if name==username and password==userpassword:
-        print("登陆成功！")
-        break
-    if  name !=username:
-        print("用户名不存在，请重新输入！")
-        continue
-    if password !=userpassword:
-        print("密码输入有误，请重新输入！")
-
-        
+    if i>0:
+        name =input("请输入用户名：")
+        password=input("请输入密码：")
+        i-=1
+        if nane==username and password==userpassword:
+            print("登陆成功")
+            break
+        if name !=username:
+            print("用户名错误，请重新输入")
+            continue
+        if password != userpassword:
+            print("密码错误，请重新输入")
+        print("温馨提示：你还有"+str(i+))
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")