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Last active February 1, 2017 16:23
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bang.rb
arr = [5, 3, 8]
res = arr.reverse!
print arr # [8, 3, 5]
print res # [8, 3, 5]
arr = [5, 3, 8]
res = arr.reverse
print arr # [5, 3, 8]
print res # [8, 3, 5]
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