python/leap: First working solution
python/strain: First working solution
python/gigasecond: First working solution
python/sum-of-multiples: First (primitive) working solution
python/roman-numerals: First working solution
python/hamming: First working solution
python/grains: First working solution
python/kindergarten-garden: First working solution
python/scrabble-score: First working solution
python/palindrome-products: First working solution