Reports frequency of keywords for a list of cards

This is a starting point for reporting on keywords in a list of cards.

analyze_keywords.py

@@ -0,0 +1,44 @@
+import json
+
+
+def get_keywords(card):
+    if 'keywords' in card.keys():
+        return card['keywords']
+    elif 'card_faces' in card:
+        keywords = []
+        for face in card['card_faces']:
+            if 'keywords' in face:
+                keywords += face['keywords']
+        return keywords
+    else:
+        return []
+
+
+def keyword_count(filename):
+    # json file must contain a list of Scryfall card objects
+    f = open(filename, encoding='utf8')
+    d = json.load(f)
+    keywords = []
+    for card in d:
+        keywords += get_keywords(card)
+    f.close()
+    k_unique = set(keywords)
+    k_dict = {}
+    for keyword in k_unique:
+        k_dict[keyword] = keywords.count(keyword)
+    return k_dict
+
+
+def keyword_report(k_dict):
+    k_lists = []
+    for keyword in k_dict:
+        k_lists += [[k_dict[keyword], keyword]]
+    k_lists = sorted(k_lists, reverse=True)
+    for n, keyword in k_lists:
+        print(keyword, n)
+    print(f'\nTotal unique keywords: {len(k_dict)}')
+
+
+filename = f'scryfall/sets/ZNR.json'
+k_dict = keyword_count(filename)
+keyword_report(k_dict)