Amazon Interview Question

Behavior question: What experience makes you feel programming exciting? Technique question: Remove duplicate item in an array. Substitute items that can be divided by 3 or 5 into "buzz" and "fuzz". (e.g. 1 2 buzz 4 fuzz 6.....) Find all the phone numbers in 100 HTML file. (Regular expression) A file contains 1 million coordinates of planets, find the the first 100 ones closest to earth.