"All" value by default and chained selectbox

Using Streamlit
1

Hi! How to leave the value “All” by default in the select box and the other selectbox below in the hierarchy appear as I choose a value other than “All”?

2 
options = [1,2,3]
selected = st.multiselect('Choose:', options)
if selected == []:
    selected = options
st.write(selected)

Or you can get fancier if you want: 'Select All' on a Streamlit Multiselect - #2 by Marisa_Smith

1 Like
3

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