<commit_before>
def fizzbuzz(n)
  raise ArgumentError unless n.kind_of?(Fixnum)

  str = ""
  str << "Fizz" if n%3==0
  str << "Buzz" if n%5==0
  str = "#{n}" if str.empty?

  return str
end<commit_msg>Interpolate instead of concatenate strings for performance.<commit_after>
def fizzbuzz(n)
  raise ArgumentError unless n.kind_of?(Fixnum)

  str = ""
  str = "Fizz" if n%3==0
  str = "#{str}Buzz" if n%5==0
  str = "#{n}" if str.empty?

  return str
end
{'fraction_non_alphanumeric': 0.15418502202643172, 'fraction_numerical': 0.01762114537444934, 'mean_word_length': 3.8404255319148937, 'pattern_counts': {'":': 0, '<': 7, '<?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': '5467778', 'n_tokens_mistral': 186, 'n_tokens_neox': 182, 'n_words': 51}