How can I use st.session_state with st.selectbox

Using Streamlit
1

I’m trying to use st.session_state so when I update the value of a selection box the other selection box is updated with the correct values. Here’s what I’ve been trying but with no luck

col1, col2, col3, col4 = st.columns([2, 2, 1, 1]) // user selects school 
        school_name = col1.selectbox(
            "School",
            options=list(school_options.values()),
            format_func=lambda x: str(x['ncaa_name']),
            index=4,
            key="team_school",
            on_change=update_school(['ncaa_name'])
        )
// players should update with the values passed from school_name
 player_id = col2.selectbox("Player", 
                       options=player_options_list,
                       format_func= lambda x: str(x['name']),
                                       key="player_id",
                       )
            update_players(st.session_state['team_school'])

def update_school(school_name):
    st.session_state['team_school'] = school_name

def update_players(school_name):
    # Get the player options for the selected school
    player_options_list = get_player_options(school_name)
2

Is there any sample data to test?

3

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