select.rb

# SELECT
# INPUT: array
# OUTPUT: array which size <= INPUT

array = ['Michel Polnareff', 'Michel Jonasz', 'Michel Delpech', 'Maxime Leforestier']

michels = []
array.each do |singer|
  if singer.split.first == "Michel"
    michels << singer
  end
end
#p michels

array.select! do |singer|
  singer.split.first == "Michel"
end
p array