Add Multi video file using moviepy

 from moviepy.editor import VideoFileClip,concatenate_videoclips

video_1 = VideoFileClip("a.mp4")

video_2 = VideoFileClip("subscribe.mp4")

final_video = concatenate_videoclips([video_1,video_2])

final_video.write_videofile("b.mp4")

for

Audio file Add

from moviepy.editor import AudioFileClip,concatenate_audioclips

audio_1 = AudioFileClip("a.mp3")

audio_2 = AudioFileClip("output.mp3")

final_audio = concatenate_audioclips([audio_1,audio_2])

final_audio.write_audiofile("b.mp3")