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exercism-70 Beer Song

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`@@ -287,6 +287,7 @@ solution of many challenges of [Leetcode](https://leetcode.com/), [Exercism](htt`
`287`	`287`	`67. [Allergies](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/allergies.rb)`
`288`	`288`	`68. [Run Length Encoding](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/run_length_encoding.rb)`
`289`	`289`	`69. [Robot Simulator](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/robot_simulator.rb)`
	`290`	`+70. [Beer Song](https://github.com/kumar91gopi/Algorithms-and-Data-Structures-in-Ruby/blob/master/exercism/beer_song.rb)`
`290`	`291`
`291`	`292`	`<a name="leetcode"/>`
`292`	`293`

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	`1`	`+# Problem: https://exercism.org/tracks/ruby/exercises/beer-song`
	`2`	`+`
	`3`	`+# Solution`
	`4`	`+module BeerSong`
	`5`	`+ def self.recite(bottles, verses)`
	`6`	`+ output = []`
	`7`	`+ verses.times do`
	`8`	`+ output << verse(bottles)`
	`9`	`+ bottles -= 1`
	`10`	`+ end`
	`11`	`+ output.join("\n")`
	`12`	`+ end`
	`13`	`+`
	`14`	`+ def self.verse(bottles)`
	`15`	`+ standard_verse = <<~TEXT`
	`16`	`+ #{bottles} bottles of beer on the wall, #{bottles} bottles of beer.`
	`17`	`+ Take one down and pass it around, #{bottles - 1} bottle#{'s' if bottles > 2 } of beer on the wall.`
	`18`	`+ TEXT`
	`19`	`+ single_bottle_verse = <<~TEXT`
	`20`	`+ 1 bottle of beer on the wall, 1 bottle of beer.`
	`21`	`+ Take it down and pass it around, no more bottles of beer on the wall.`
	`22`	`+ TEXT`
	`23`	`+ no_bottles_verse = <<~TEXT`
	`24`	`+ No more bottles of beer on the wall, no more bottles of beer.`
	`25`	`+ Go to the store and buy some more, 99 bottles of beer on the wall.`
	`26`	`+ TEXT`
	`27`	`+ return no_bottles_verse if bottles.zero?`
	`28`	`+ bottles > 1 ? standard_verse : single_bottle_verse`
	`29`	`+ end`
	`30`	`+end`

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