save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
+        pass
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if username !=name:
         if username !=name:
             print("用户名输入错误")
             print("用户名输入错误")
-        break
+            print("你还有"+str(i)+"次登入计划")
+            continue
         if username !=password:
         if username !=password:
             print("密码输入错误")
             print("密码输入错误")
-        continue
-print("欢迎来到贝尔编程!")
+            print("你还有"+str(i)+"次登入计划"）
+    else:
+        print("请来我司") 
+        exit()
+    print("欢迎来到贝尔编程!")