A simple Python Package that solves a Sudoku via the command line;

• Parsing command-line arguments;

• Reading sudoku from:-

  • terminal as:-

    • formatted;

    • on Windows http://stackoverflow.com/questions/3523174/raw-input-in-python-without-pressing-enter;

    • letting you backspace (every 3 chars):-

      • every cell row;
      • every row;
      • everything;

  • file (unformatted):-

    • unformatted;
    • file as stdin;

  • internet source;

  • generating;

• Interacting with user;

• Solving by:-

  • logic:-

    • reducing;
    • promoting;

  • guessing;

  • finishing when done;

  • using iteration instead of tail-recursion;

  • tracking time taken;

• Displaying:-

  • through:-

    • terminal;
    • file;
    • GUI;

  • as:-

    • formatted:-

      • in a small template;
      • in a big template;

    • unformatted;

• Testing;

  • using function annotations (check syntax for iterable etc.);
  • Unit Tests;