app.py

import streamlit as st
import pandas as pd
import twint 
import nest_asyncio

st.title('Test')

 with st.form("my_form"):
    st.write("Inside the form")
    user = st.text_input("Twitter Username")
    n_tweets = st.slider('How Many Tweets', 20, 2000, 20)

    # Every form must have a submit button.
    submitted = st.form_submit_button("Submit")
    if submitted:
        st.write("user", user, "n_tweets", n_tweets)

st.write("Outside the form")