Kubernetes does for container orchestration what Python and C have done for high-level programming languages. Just as those languages provide users with libraries and abstractions, so they are able to focus on the tasks in front of them without getting bogged down in the complexities of memory management, Kubernetes provides high-level abstractions for container management. This enables Kubernetes users to keep their focus on how they want the applications to run, rather than worrying about the specifics of how they will implement it.
Kubernetes is designed from the ground up to increase the agility of DevOps processes. When Kubernetes was first developed, the premise behind it was to take problems faced by developers in an Agile environment and establish automation tools to help alleviate those problems significantly. The result is an environment that allows you to go from development to production in a more seamless way.