1. pip install jupyterthemes

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

jt -t monokai -fs 16 -nfs 14 -tfs 14 -ofs 16 -dfs 14 -cellw 980 -T -N -kl -f anka -nf anka -tf anka

# Jupter Darcula Theme

pip install JLDracula

conda install -c conda-forge jupyterthemes

# or pip install jupyterthemes

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import jupyterthemes as jt

print(jt.get_themes()) # to get the list of available themes

jt.install_theme('chesterish') #jt.install_theme('my favourite theme')  to apply your theme 

copiedimport matplotlib.pyplot as plt  

plt.style.use('dark_background')

conda install jupyterthemes

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pip install jupyterthemes