save project

diy8.py

+i=3
+username="python"
+userpassword="123456"
+while True:
+    if i>0:
+        name=input("用户名：")
+        password=input("密码：")
+        if username==name and userpassword==password:
+            print("登录成功")
+            break
+        if username!=name:
+            print("用户名错误！请重新输入！")
+            continue
+        if userpassword!=password:
+            print("密码错误！请重新输入！")
+        i-=1
+        print("温馨提示，您还有"+str(i)+"次机会")
+    else:
+        print("你的账户已锁定，请来我司解锁。")
+        exit()
+print("欢迎来到贝尔编程")
\ No newline at end of file