<commit_before># load data file
require 'yaml'
books = YAML.load_file('to-read.yaml')

#create empty array for book storage
book_list = []

# iterate through data file
books.each do |book|
  
  # find book's author and title
  author = book['author']
  title = book['title']
  
  # add book's author and title to array
  book_list.push("#{author} - #{title}")
end

# print out random book from list
puts book_list.sample<commit_msg>refactor!<commit_after>require 'yaml'
book = YAML.load_file('to-read.yaml').sample
puts "#{book['author']} - #{book['title']}"
{'fraction_non_alphanumeric': 0.14695340501792115, 'fraction_numerical': 0.0, 'mean_word_length': 4.704081632653061, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5351103', 'n_tokens_mistral': 191, 'n_tokens_neox': 186, 'n_words': 55}