save project

diy1.py

+i=5
 username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
 username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
 userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
 userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
-username = "python"
-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("登录成功!")
-        break
-    elif name != username:
-        print("用户名不存在,请重新输入!")
+    if i>0:
+        name = input("Please enter your user name:")
+        password = input("Please enter your password:")
+        if name == username and password == userpassword:
+            print("Login successful!>_—")
+            break
+        elif name != username:
+            print("Username error!Login failed![>_<]")
+        else:
+            print("Password error!login failed![>_<]")
+        if i==1:
+            print("You still have"+str(i)+"chance")
+        if a>1:
+            print("You still have"+str(i)+"chances")
     else:
     else:
-        print("密码输入有误,请重新输入!")
-print("欢迎来到贝尔编程!")
+        print("Sorry,your account is locked!(—_<)")
+        exit()
\ No newline at end of file
+    i-=1
+print("Welcome to YQ plannet ! {>_—}")
\ No newline at end of file