I want to read the config file if the value is empty Example: To convert a video file to audio file # config.ini [settings] videofile = video.avi codesplit = -vn outputfile = audio.mp3  Output ['ffmpeg.exe', '-i', 'video.avi', '-vn', 'audio3.mp3']  If you make the value "codesplit" empty, the code will not work. example : To convert a video avi file to video mp4 [settings] videofile = video.avi codesplit = outputfile = videoaudio.mp4  Output ['ffmpeg.exe', '-i', 'video.avi', '', 'videoaudio.mp4']  I want to remove this quote so that the code to works  '',  full code import subprocess import configparser config = configparser.ConfigParser(allow_no_value=True) config.read(r'config.ini') videofile = config.get('settings', 'videofile') outputfile = config.get('settings', 'outputfile') codesplit = config.get('settings', 'codesplit', fallback=None) ffmpeg_path = r"ffmpeg.exe" command = [ f"{ffmpeg_path}", "-i", (videofile), (codesplit), (outputfile),] process = subprocess.Popen( command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, bufsize=1, universal_newlines=True) process.communicate() print(command) 
You can try using an if-else statement to check if there is a codesplit option passed from the config file or not. import subprocess import configparser config = configparser.ConfigParser(allow_no_value=True) config.read(r"config.ini") videofile = config.get("settings", "videofile") outputfile = config.get("settings", "outputfile") codesplit = config.get("settings", "codesplit", fallback=None) ffmpeg_path = r"ffmpeg.exe" if codesplit: command = [ f"{ffmpeg_path}", "-i", (videofile), (codesplit), (outputfile), ] else: command = [ f"{ffmpeg_path}", "-i", (videofile), (outputfile), ] process = subprocess.Popen( command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, bufsize=1, universal_newlines=True, ) process.communicate() print(command)  This code checks if codesplit is there in the config. If so, it adds it to the command list. If not, it doesn't. The output looks like ['ffmpeg.exe', '-i', 'video.avi', 'videoaudio.mp4']  where the empty string is absent.