st.expander

Insert a multi-element container that can be expanded/collapsed.
Function signature

st.expander(label: str, expanded: bool = False)

Parameters

label (str)

A string to use as the header for the expander.

expanded (bool)

If True, initializes the expander in "expanded" state. Defaults to False (collapsed).

Examples

>>> st.line_chart({"data": [1, 5, 2, 6, 2, 1]})
>>>
>>> with st.expander("See explanation"):
...     st.write("""
...         The chart above shows some numbers I picked for you.
...         I rolled actual dice for these, so they're *guaranteed* to
...         be random.
...     """)
...     st.image("https://static.streamlit.io/examples/dice.jpg")
(view standalone Streamlit app)

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