Placeholders, help, and options
There are a handful of methods that allow you to create placeholders in your
app, provide help using doc strings, get and modify configuration options and query parameters.
Set page title, favicon, and more
Configures the default settings of the page.
python
st.set_page_config(
  title="My app",
  favicon=":shark:",
)
<Image pure alt="screenshot" src="/images/api/echo.jpg" />
Echo
Display some code on the app, then execute it. Useful for tutorials.
python
with st.echo():
  st.write('This code will be printed')
Get help
Display object’s doc string, nicely formatted.
python
st.help(st.write)
st.help(pd.DataFrame)
st.experimental_show
Write arguments and argument names to your app for debugging purposes.
python
df = pd.DataFrame({
  'first column': [1, 2, 3, 4],
