Wed Aug  6 11:47:01 2025

ladders_test():
  python version: 3.10.12
  ladders() moves from a starting word to a goal word
  by changing one letter at a time.

  Initial word list is "sowpods.txt"
  Word 5 is ABATOR
  Number of words is  267751

  Starting word is "COLD"
  Goal word is     "WARM"
  Word length is  4
  Word 95 is ALEC
  Number of words is  5454

  Ladders returns the path:
['COLD', 'WOLD', 'WALD', 'WARD', 'WARM']

  Initial word list is "sowpods.txt"
  Word 5 is ABATOR
  Number of words is  267751

  Starting word is "BLACK"
  Goal word is     "WHITE"
  Word length is  5
  Word 95 is ADAWS
  Number of words is  12478

  Ladders returns the path:
['BLACK', 'CLACK', 'CHACK', 'CHICK', 'CHINK', 'CHINE', 'WHINE', 'WHITE']

ladders_test():
  Normal end of execution.
Wed Aug  6 11:48:04 2025