flatiron_examples

sentence = <<-something
    Steven likes the movies.  Blake likes to ride his bike but hates movies.
    Blake is taller than steven.  Steven is a great teacher.
  something
  
  sentence = sentence.gsub(".", " ") #sub period for space
  sentence = sentence.split(" ")
  [] << sentence
  sentence.detect {|x| sentence.count(x) > 1}