def validate(pw):
    """Check four properties of a non-empty password and return a dict.

    Keys:
      "length"         — number of characters (int)
      "long_enough"    — True if length >= 8 (bool)
      "starts_capital" — True if first char is uppercase (bool)
      "ends_digit"     — True if last char is a digit (bool)

    Helpers:
      pw[0].isupper()  — True if first char is uppercase
      pw[-1].isdigit() — True if last char is a digit

    validate("Andromeda1") -> {"length": 10, "long_enough": True,
                              "starts_capital": True, "ends_digit": True}
    """
    pass