I am trying to write Python code which will call ffmpeg via subprocess package and generate a video (.mp4) which was created by inserting multiple audio clips (.wav) at different time points. temporary_output_path = "./output_0.mp4" command_line = [ "ffmpeg", "-y", "-i", "./Output.mp4", "-i", first_video_output_path, "-map", "0:0", "-map", "1:0", "-c:v", "copy", […]