save project

diy1.py

 username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
 userpassword = "0987654321" 
 while True:
-    name = input("请输入名称")
-    password = input("请输入密码")
-    if name == username and password == userpassword:
-        print("登入成功!")
-        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!")
+    if i>0:
+        name = input("请输入名称")
+        password = input("请输入密码")
+        i-=1
+        if name == username and password == userpassword:
+            print("登入成功!")
+            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!")
+    else:
+        print("账号已锁定，请带身份证来我司解锁")
+        exit()         
 print("欢迎来到贝尔编程!")