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hoangbits/gist:f4e4d2465ace1e9a6cc289b0b093e98e

Created June 4, 2022 08:58
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gistfile1.txt
irb(main):005:0> (1..5).include?(5) #=> true
=> true
irb(main):006:0> (1...5).include?(5) #=> false
=> false
irb(main):007:0> 1.upto(5).include?(5)
=> true
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