Code Editor for app.py

import streamlit as st

st.title("Buttons in a single line")

left_padding, right_padding = 2, 2
cols = st.columns([left_padding, 1, 1, 1, left_padding])

with cols[1]:
    first = st.button('First')

with cols[2]:
    second = st.button('Second')

with cols[3]:
    third = st.button('Third')

if first:
    st.write("First was clicked!")

if second:
    st.write("Second was clicked!")

if third:
    st.write("third was clicked!")