5 lines
184 B
Ruby
5 lines
184 B
Ruby
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require 'set'
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a = Set["John", "Serena", "Bob", "Mary", "Serena"] #Set removes duplicates
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b = Set["Jim", "Mary", "John", "Jim", "Bob"]
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p sym_diff = a ^ b # => #<Set: {"Jim", "Serena"}>
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