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irb(main):002:0> x = 1
=> 1
irb(main):003:0> if x == 1
irb(main):004:1>   puts "x is 1"
irb(main):005:1>   x = 2
irb(main):006:1> elsif x == 2
irb(main):007:1>   puts "x is 2"
irb(main):008:1> end
x is 1
=> 2