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pumpkincouture/Post_18.2.rb

Created August 24, 2014 02:00
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Post_18.2.rb
def same_last_name?(list)
last_name = list.group_by { |h| h["LAST_NAME"] }.values.select { |a| a.size > 1}.flatten
return false if last_name.empty?
list
end
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