Add a default value for multiselect #158
Description
Multiselect should have a default value.
Note (double check with @tvst): Use indices to keep the API similar to st.select.
options = ("Green", "Yellow", "Red", "Blue")
default = (0, 1)
if st.checkbox("Change default"):
default = (1, 2)
multiselect = st.multiselect("Multiselect", options, default)
st.write(multiselect)P.S. Uncomment line 1399 in DeltaGenerator.py