14 lines
234 B
Text
14 lines
234 B
Text
set :setA set{ :John :Bob :Mary :Serena }
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set :setB set{ :Jim :Mary :John :Bob }
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symmetric-difference A B:
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}
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for a in keys A:
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if not has B a:
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a
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for b in keys B:
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if not has A b:
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b
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set{
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!. symmetric-difference setA setB
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