pages/layout.tabs1.py

import streamlit as st

tab1, tab2, tab3 = st.tabs(["Cat", "Dog", "Owl"])
with tab1:
    st.header("A cat")
    st.image("https://static.streamlit.io/examples/cat.jpg", width=200)

with tab2:
    st.header("A dog")
    st.image("https://static.streamlit.io/examples/dog.jpg", width=200)

with tab3:
    st.header("An owl")
    st.image("https://static.streamlit.io/examples/owl.jpg", width=200)