app.py

import streamlit as st

st.title("Google Colab Notebook")

st.markdown(
    """
    [Click here to open the Google Colab notebook](https://colab.research.google.com/drive/12uTvmPkhzDQS6ajg7JfVepJab5Aamr70)
    """,
    unsafe_allow_html=True
)