Showing/hiding Streamlit panel containers

clear_container.py

import streamlit as st
import numpy as np

c1, c2 = st.columns([1,1])
show_p1 = c1.checkbox('Show panel 1', True)
show_p2 = c2.checkbox('Show panel 2', True)

panel1 = c1.empty()
panel2 = c2.empty()

@st.experimental_memo()
def data(X, Y):
  return np.random.randn(X, Y)

if show_p1:
  with panel1.container():
    st.bar_chart(data(10,3))
else:
  c1.write('Empty!')
  panel1 = st.empty()

if show_p2:
  with panel2.container():
    st.bar_chart(data(5,6))
else:
  c2.write('Empty!')
  panel2 = st.empty()