diff --git a/day_09/program.py b/day_09/program.py
index aae4a10..17587c6 100755
--- a/day_09/program.py
+++ b/day_09/program.py
@@ -33,23 +33,29 @@ def get_disk(disk_map: str) -> tuple:
 
 
 def print_disk(disk: list) -> None:
-    for pos in disk:
-        if pos is None:
+    for block in disk:
+        if block is None:
             print(".", end="")
         else:
-            print(pos, end="")
+            print(block, end="")
     print()
 
+
+def defragment(disk: list, full_blocks: deque, free_blocks: deque) -> None:
+    while len(free_blocks) > 0:
+        pass
+
 def main():
-    disk_map = get_lines("sample-input.txt")[0]
-    # disk_map = get_lines("sample-input2.txt")[0]
+    # disk_map = get_lines("sample-input.txt")[0]
+    disk_map = get_lines("sample-input2.txt")[0]
     # disk_map = get_lines("input.txt")[0]
 
     disk, free_blocks, full_blocks = get_disk(disk_map)
     print_disk(disk)
-    print(free_blocks)
-    print(full_blocks)
-    
+    # print(free_blocks)
+    # print(full_blocks)
+    defragment(disk, free_blocks, full_blocks)
+
 
 if __name__ == '__main__':
     main()