diff --git a/CARDPUTER CircuitPython/sdcard_test.py b/CARDPUTER CircuitPython/sdcard_test.py
index c63f1b5..5558daa 100644
--- a/CARDPUTER CircuitPython/sdcard_test.py	
+++ b/CARDPUTER CircuitPython/sdcard_test.py	
@@ -19,8 +19,14 @@ except OSError:
 
 print(SD_status)
 
-# Then, reading/writing to files is as trivial as regular Python:
+# Use os to scan the SD card
+files = os.listdir("/sd")
+for file in files:
+  print(file)
+  
+print("========")
 
+# Then, reading/writing to files is as trivial as regular Python:
 with open("/sd/data.txt") as f:
     lines = f.readlines()
 for line in lines: