df = pd.read_csv("/Users/georgezambrano/Desktop/Code/Sales_Data/Sales_April_2019.csv") files = [file for file in os.listdir('/Users/georgezambrano/Desktop/Code/Sales_Data')] all_months_data = pd.DataFrame() for file in files: df = pd.read_csv("/Users/georgezambrano/Desktop/Code/Sales_Data/"+file) all_months_data = pd.concat([all_months_data, df]) all_months_data.head() UnicodeDecodeError: 'utf-8' codec can't decode byte 0x80 in position 3131: invalid start byte I believe I'm getting the error due to a .ds_store file that shows up when I print the list of files. However, the file .ds_store isn't visible in the folder so I'm really not sure how to delete it. Continue reading...