Notebook

`````{.notebook kernel="xpython" env="my_env" name="on_the_fly" theme="JLDracula" toolbar="0"}
# %% [markdown]
# # This is a markdown cell
# 
#  some list:
#  - first
#  - second


# %%
def f(x):
  return 3*x+1
`````

Will render as: