## declare an array variable

declare -a exts=("wav" "mp3" "mp4" "ogg" "flac")

## now loop through the above array

for i in "${exts[@]}"

do

python benchmark_np.py --ext "$i"

python benchmark_pytorch.py --ext "$i"

python benchmark_tf.py --ext "$i"

python benchmark_metadata.py --ext "$i"

done