Commit 1fa875f

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feat(linkedList): takes iterables in the constructor

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Original file line number	Diff line number	Diff line change
`@@ -7,10 +7,12 @@ const Node = require('./node');`
`7`	`7`	`* the last and first element`
`8`	`8`	`*/`
`9`	`9`	`class LinkedList {`
`10`		`- constructor() {`
	`10`	`+ constructor(iterable=[]) {`
`11`	`11`	`this.first = null; // head/root element`
`12`	`12`	`this.last = null; // last element of the list`
`13`	`13`	`this.size = 0; // total number of elements in the list`
	`14`	`+`
	`15`	`+ Array.from(iterable, (i) => this.addLast(i));`
`14`	`16`	`}`
`15`	`17`	`// end::constructor[]`
`16`	`18`

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