import streamlit as st
from streamlit.delta_generator import DeltaGenerator
from streamlit.proto.Markdown_pb2 import Markdown as MarkdownProto
from streamlit.string_util import clean_text

def markdown_but_yelling(body, unsafe_allow_html=False):
    body = f"# {body.upper()}!!!!"

    markdown_proto = MarkdownProto()
    markdown_proto.body = clean_text(body)
    markdown_proto.allow_html = unsafe_allow_html
    return DeltaGenerator()._enqueue("markdown", markdown_proto)

st.markdown = markdown_but_yelling

st.title("Hello world")
st.markdown("Coucou")