Add command line argument to csv printing script

print_labels_from_csv.py

@@ -2,8 +2,13 @@ import pandas as pd
 import shimatta_label.label_image as li
 import shimatta_label.brother_ql_wrapper as ql_wrapper
 import os
+import sys
 
 medir = os.path.dirname(__file__)
+
+if len(sys.argv) > 2:
+    example_data_path = sys.argv[1]
+else:    
     example_data_path = os.path.join(medir, 'labels.csv')
 
 df = pd.read_csv(example_data_path, converters={i: str for i in range(3)})