dark mode jupyter notebook

1. pip install jupyterthemes
2. jt -t chesterish -fs 16 -nfs 14 -tfs 14 -ofs 16 -dfs 14 -cellw 1250 -T -N -kl -f anka -nf anka -tf anka

pip install jupyterthemes

# You can get the list of available themes with:
jt -l

#So change your theme with:
jt -t theme-name

jt -t chesterish

!pip install jupyterthemes
!jt -t <theme-name>

conda install jupyterthemes