save project

diy1.py

+username="python"
+userpassword="12345"
+i=3
+while True:
+    if i>0:
+        name=input("请输入用户名")
+        password=input("请输入密码")
+        i=i-1
+        if name==username and password==userpassword:
+            print("登录成功")
+            break
+        if name !=username:
+            print("用户名错误，请重新输入")
+            print("温馨提示：你还有"+str(i)+"次登录机会")
+            continue
+        if password != userpassword:
+            print("密码错误，请重新输入")
+            print("温馨提示：你还有"+str(i)+"次登录机会")
+    else:
+        print("账号已被锁定")
+        exit()
+print("欢迎贝尔编辑器")
\ No newline at end of file