from moviepy import VideoFileClip
from moviepy import vfx, afx

myclip = VideoFileClip("example.mp4")
# resize clip to be 460px in width, keeping aspect ratio
myclip = myclip.with_effects([vfx.Resize(width=460)])

# fx method return a copy of the clip, so we can easily chain them
# double the speed and half the audio volume
myclip = myclip.with_effects([vfx.MultiplySpeed(2), afx.MultiplyVolume(0.5)])

# because effects are added to Clip at runtime, you can also call
# them directly from your clip as methods
myclip = myclip.with_effects([vfx.MultiplyColor(0.5)])  # darken the clip