find the people in your database whose ages are between 20 and 40: : csv « Development « Ruby

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Ruby » Development » csv 
find the people in your database whose ages are between 20 and 40:


require 'csv'
people = CSV.read('text.txt')

young_people = people.find_all do |p|
  p[3].to_i.between?(2040)
end
puts young_people.inspect



//File: text.txt
F,M,M,45
L,C,F,23
D,P,F,38

 
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7. loading the data from a CSV-formatted file into an array is with CSV.read:
8. pick out the first person in the data called Laura:
9. Saving Data Back to the CSV File
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