implement tower shuffle

tests/test_keypad.py

@@ -29,3 +29,11 @@ def test_full_shuffle():
     keypad.full_shuffle()
     print(keypad.keypad)
 
+def test_tower_shuffle():
+    p = 4  # properties_per_key
+    k = 3  # number_of_keys
+    keypad = Keypad.new_keypad(k, p)
+    print()
+    for _ in range(10):
+        print(keypad.keypad)
+        keypad.tower_shuffle()

tests/test_tower_shuffle.py

@@ -1,7 +1,7 @@
 from src.tower_shuffle import TowerShuffle
 
 def test_tower_shuffle():
-    tower = TowerShuffle.new(19)
+    tower = TowerShuffle.new(9)
     print(tower)
     for _ in range(100):
         tower.shuffle()