What is concurrency Golang?
Generally, large programs are made of many multiple small subprograms. For example, a server handles multiple requests made via web browsers and serves HTML web pages in response. In this case, each request made is considered as a small program.
Golang makes it possible to run smaller components of each of these programs simultaneously through concurrency. It has extensive support for concurrency using goroutines and channels
BY Best Interview Question ON 04 Aug 2020