Extracting Information From Hash in Ruby on Rails

Ruby on Ruby on Rails shows how to extract keys and values from hash. It is possible to extract key and values separately for insert and update operations. Do you know more elegant or alternative way of extracting keys from hash? Please enlighten and guide us with your precious comment below if you do.Previously published at https://thedevpost.com/blog/extract-key-or-value-from-hash-in-ror/// previously published at the same site.