irb(main):003:0> require "array_random_j.rb"
=> true
irb(main):004:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [3, 2, 4, 5, 1]
irb(main):005:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [4, 5, 1, 3, 2]
irb(main):006:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 5, 2, 4, 3]
irb(main):007:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 2, 4, 3, 5]
irb(main):008:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [5, 3, 1, 4, 2]
irb(main):009:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 5, 4, 2, 3]
irb(main):010:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [5, 4, 1, 3, 2]
irb(main):011:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [5, 1, 4, 3, 2]
irb(main):012:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [3, 5, 4, 1, 2]
irb(main):013:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 4, 3, 5, 2]
irb(main):014:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [4, 5, 1, 3, 2]
irb(main):015:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 4, 3, 5, 2]
irb(main):016:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 4, 5, 2, 3]
irb(main):017:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 4, 5, 3, 2]
irb(main):018:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [4, 5, 1, 2, 3]
irb(main):019:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [4, 5, 3, 1, 2]
irb(main):020:0> [1, 2, 3, 4, 5].randomize([5, 1, 1, 5, 4])
=> [1, 4, 5, 2, 3]