You are given a file called "std" and composed of "Number, Name, Address" fields/attributes. (You can define the type of fields by yourself) Write an algorithm that makes "insert, delete, update and retrieve", processes on the records in the file. "Number" field is the key of each record. only ALGORITHM no code needed

adbusters is an oppressive not-for-profit organization, founded in 1989  determined to end capitalism. the goal is to  spread their message through a self published magazine (which contains no advertisements). the likely reason why adbusters publishes a magazine with spoof advertisements is that  adbusters wants to encourage consumers to think critically about ads. 

if you suspect that your immediate supervisor, department manager, or company is engaging in something unlawful you must do your best to end the misconduct immediately while also protecting yourself, your livelihood, and your family’s future.

yes, but you must first make sure that you'll be able to make your turn or you can crash into other vehicles.