Can you tell about the principles and practices of Scrum in project management?

Scrum is an agile project management methodology, especially popular in software development. The main principles of Scrum:

• Iterative and incremental: work is divided into short cycles — sprints (usually 2-4 weeks), at the end of each of which a working product is produced.
• Roles: there is a Product Owner (responsible for priorities and requirements), a Scrum Master (ensures the process and helps the team), and a self-organizing development team.
• Artifacts: Product Backlog (list of tasks and requirements), Sprint Backlog (tasks for the current sprint), Increment (ready functionality).
• Ceremonies: sprint planning, daily stand-ups (Daily Scrum), sprint review, retrospective.

Practices of Scrum include:

• Constant interaction with the customer through the Product Owner.
• Self-organization of the team to select tasks and methods of their execution.
• Regular review and adaptation of the process and product.

This allows for quick response to changes and improves product quality.