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franciscoj/gist:63004b5eb919e9ef018a0954d07ea622

Created February 12, 2020 07:22
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gistfile1.txt
irb(main):001:0> h = Hash.new([])
=> {}
irb(main):002:0> h[:hello] << :fran
=> [:fran]
irb(main):003:0> h[:hallo] << :andreas
=> [:fran, :andreas]
irb(main):004:0> h
=> {}
irb(main):005:0> h[:asdf]
=> [:fran, :andreas]
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