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Merge pull request #1 from anasmak04/master

add problem 29

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`@@ -30,4 +30,6 @@`
`30`	`30`	`\| Problem - 26 \| [Linear Search implementation with JS](https://github.com/MehedilslamRipon/Problem-solving-with-JavaScript/blob/master/problem-26.js) \|`
`31`	`31`	`\| Problem - 27 \| [Binary Search implementation with JS](https://github.com/MehedilslamRipon/Problem-solving-with-JavaScript/blob/master/problem-27.js) \|`
`32`	`32`	`\| Problem - 28 \| [Make a unique random string generator - uuid alternative lite](https://github.com/MehedilslamRipon/Problem-solving-with-JavaScript/blob/master/problem-28.js) \|`
`33`		`-<!-- \| Problem - 22 \| \| -->`
	`33`	`+\| Problem - 29 \| [Given a set of numbers, return the additive inverse of each. Each positive becomes negatives, and the negatives become positives](https://github.com/anasmak04/Problem-solving-with-JavaScript/blob/master/problem-29.js) \|`
	`34`	`+\| Problem - 30 \| [Thinkful-Logic](https://github.com/anasmak04/Problem-solving-with-JavaScript/blob/master/problem-30.js) \|`
	`35`	`+<!-- \| Problem - 31 \| \| -->`

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`@@ -0,0 +1,14 @@`
	`1`	`+/*Given a set of numbers, return the additive inverse of each.`
	`2`	`+Each positive becomes negatives, and the negatives become positives.`
	`3`	`+ You can assume that all values are integers.*/`
	`4`	`+`
	`5`	`+function invert(array) {`
	`6`	`+ const arr = [];`
	`7`	`+ if (array.length == 0)`
	`8`	`+ return array`
	`9`	`+ for (let e of array) {`
	`10`	`+ arr.push(-e)`
	`11`	`+ }`
	`12`	`+`
	`13`	`+ return arr;`
	`14`	`+}`

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`@@ -0,0 +1,10 @@`
	`1`	`+// You're writing code to control your town's traffic lights. You need a function to handle each change from green, to yellow, to red, and then to green again.`
	`2`	`+`
	`3`	`+// Complete the function that takes a string as an argument representing the current state of the light and returns a string representing the state the light should change to.`
	`4`	`+`
	`5`	`+// For example, when the input is green, output should be yellow`
	`6`	`+`
	`7`	`+`
	`8`	`+function updateLight(current) {`
	`9`	`+ return current == 'green' ? 'yellow' : current == 'yellow' ? 'red' : 'green'`
	`10`	`+}`

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