import streamlit as st 
st.markdown(<h1 style="border-bottom: 2px solid black; display: inline-block;">ABOUT DATASCIENCE</h1>,unsafe_allow_html=True)


st.markdown("""<h2 style="text-align: left; display: inline; text-decoration: underline;">INTRODUCTION</h2>""",unsafe_allow_html=True)

st.markdown()