Add python/high-scores

python/high-scores/high_scores.py

@@ -0,0 +1,14 @@
+def latest(scores):
+    return scores[-1]
+
+def personal_best(scores):
+    return max(scores)
+
+def personal_top_three(scores):
+    return sorted(scores, reverse=True)[:3]
+
+def latest_after_top_three(scores):
+    return latest(scores)
+
+def scores_after_top_three(scores):
+    return scores