Merge pull request #847 from NNRepos/community

PCC02 NNRepos

Author: bbelderbos

01/NNRepos/wordvalue.py

@@ -19,5 +19,4 @@ def max_word_value(dictionary: Optional[List[str]] = None) -> str:
     of words as arg, if none provided uses default DICTIONARY"""
     if dictionary is None:
         dictionary = load_words()
-    print("crap:", [x for x in dictionary if "-" in x])
-    return list(sorted(([calc_word_value(word), word] for word in dictionary), reverse=True))[0][1]
+    return max(dictionary, key=calc_word_value)

02/NNRepos/game.py

@@ -0,0 +1,66 @@
+#!python3
+# Code Challenge 02 - Word Values Part II - a simple game
+# http://pybit.es/codechallenge02.html
+
+import random
+from collections import Counter
+from typing import Dict, List
+
+from data import DICTIONARY, LETTER_SCORES, POUCH
+
+NUM_LETTERS = 7
+PERCENTAGE_MULTIPLIER = 100
+
+
+# re-use from challenge 01
+def calc_word_value(word):
+    """Calc a given word value based on Scrabble LETTER_SCORES mapping"""
+    return sum(LETTER_SCORES.get(char.upper(), 0) for char in word)
+
+
+# re-use from challenge 01
+def max_word_value(words):
+    """Calc the max value of a collection of words"""
+    return max(words, key=calc_word_value)
+
+
+def draw_letters() -> List[str]:
+    return random.sample(POUCH, NUM_LETTERS)
+
+
+def is_legal_word(word: str, drawn_letters_count: Dict[str, int]) -> bool:
+    word_letters_count = Counter(word.upper())
+    for letter, count in word_letters_count.items():
+        if count > drawn_letters_count.get(letter, 0):
+            return False
+
+    return True
+
+
+def get_possible_dict_words(drawn_letters: List[str]) -> List[str]:
+    drawn_letters_count = Counter(drawn_letters)
+    return [word for word in DICTIONARY if is_legal_word(word, drawn_letters_count)]
+
+
+def main() -> None:
+    drawn_letters = draw_letters()
+    legal_words = get_possible_dict_words(drawn_letters)
+    print(f"Letters drawn: {', '.join(drawn_letters)}")
+
+    user_input = input("Form a valid word: ")
+    while user_input not in legal_words:
+        user_input = input("Nope, please try a different word: ")
+
+    user_word = user_input.upper()
+    user_score = calc_word_value(user_word)
+    print(f"Word chosen: {user_word} (value: {user_score})")
+
+    best_word = max_word_value(legal_words)
+    best_score = calc_word_value(best_word)
+    print(f"Optimal word possible: {best_word} (value: {best_score})")
+
+    print(f"You scored: {PERCENTAGE_MULTIPLIER * user_score / best_score : .2f}")
+
+
+if __name__ == "__main__":
+    main()