X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=grab_bag.py;h=10272da7acb37a64f4a281377af677a5f7b1807e;hb=HEAD;hp=1620da209c298820fe164f56bc02f4a2520dca5b;hpb=c06bfef53f70551e7920bc4facce27f47b89e2ba;p=kiosk.git

diff --git a/grab_bag.py b/grab_bag.py
index 1620da2..10272da 100644
--- a/grab_bag.py
+++ b/grab_bag.py
@@ -1,12 +1,16 @@
 #!/usr/bin/env python3
 
+import logging
 import random
-from typing import Iterable, List
+from typing import Iterable, List, Optional, Set
+
+
+logger = logging.getLogger(__name__)
 
 
 class grab_bag(object):
     def __init__(self) -> None:
-        self.contents = set()
+        self.contents: Set[str] = set()
 
     def clear(self) -> None:
         self.contents.clear()
@@ -19,16 +23,15 @@ class grab_bag(object):
         for x in collection:
             self.add(x)
 
-    def subset(self, count: int) -> List[str]:
+    def subset(self, count: int) -> Optional[List[str]]:
         if len(self.contents) < count:
             return None
-        subset = random.sample(self.contents, count)
-        return subset
+        return random.sample(list(self.contents), count)
 
     def size(self) -> int:
         return len(self.contents)
 
 
 # x = grab_bag()
-# x.add_all([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])
-# print x.subset(3)
+# x.add_all(["oneA", "two", "three", "oneB", "four", "five", "oneC", "oneD"])
+# print(x.subset(3))