Даний клас дозволяє "спостерігати"  за будь-якими змінами y списку.

✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.

Want instant access to all verified answers on virt.ldubgd.edu.ua?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Add to Chrome