save project

diy1.py

+i = 3
 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）
 
 while True:
-    name=input("账号：")
-    password=input("密码：")
-    if name == username and password == userpassword:
-        print("登录成功")
-        break
-    if name != username:
-        print("账号不存在,请重试")
-        continue 
-    if password != userpassword:
-        print("密码错误,请重试") 
-print("欢迎来到贝尔编程！！！") 
\ No newline at end of file
+    if i>0:
+        name=input("账号：")
+        password=input("密码：")
+        i=i-1
+        if name == username and password == userpassword:
+            print("登录成功")
+            break
+        if name != username:
+            print("账号不存在,请重试")
+            continue 
+        if password != userpassword:
+            print("密码错误,请重试") 
+    else:
+        print("您的账号已报废,请重新注册一个账号") 
+        exit()
+print("欢迎来到贝尔编程！！！") 
+tyu=tyuinput("您要")
+if tyu == 1:
+    range
\ No newline at end of file