A hash is a data structure that stores items by a number of associated keys. This is different from arrays, which store items by an ordered index. Entries in a hash are often referred to as key value pairs.
Iteration is a common and important aspect of everyday programing. Iterators are methods that loop over a set of data and allow you to operate on each element within that data.It is commonly associated with Loops and Looping. Looping allows us to go create code that repeats itself until a certain condition is met. For example
I’ve always been interested in the computing field. During my early years I went to university to study web design and Business Information Technology. Both of these areas were compelling to me but as time went on I lost alot of interest in a lot of aspects of these subjects. I’ve since worked many part time jobs including junior poisitions for IT companies and even participated in free lance projects.