Video_audio_convertion.py

# Libraries import
import moviepy.editor as mp

# It will clip the video 
# subclip(starttime, endtime) to clip portion of video
# you can remove the subclip to convert complete video
clip = mp.VideoFileClip(r"sample1.mp4").subclip(10, 100)

# It will write the audio in converted_audio.wav file.
clip.audio.write_audiofile(r"Converted_audio.wav")
print("Finished the convertion into audio...")