Data Analysis, Database, Physionet, Data Pre Processing, Data Science.
dir1 in os.listdir(data_path): dir1_path = os.path.join(data_path, dir1) # Loop through the subdirectories for dir2 in os.listdir(dir1_path): dir2_path = os.path.join(dir1_path, dir2) # Loop through the ECG records for file_name in os.listdir(dir2_path): if file_name.endswith('.mat'): file_path =