Description: Your team is writing a fancy new text editor and you've been tasked with implementing the line numbering. Write a function which takes a list of strings and returns each line prepended by the correct number. The numbering starts at 1. The format is n: string. Notice the colon and space in between. Examples: number([]) // => [] number(["a", "b", "c"]) // => ["1: a", "2: b", "3: c"] S..