参考 https://github.com/dunovank/jupyter-themes

install with pip

# install jupyterthemes

pip install jupyterthemes

# upgrade to latest version

pip install --upgrade jupyterthemes

查看有哪些主题

jt -l

更换某主题

jt -t grade3

# 更换主题和字体

jt -f inconsolata -t grade3

恢复默认主题

jt -r