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import streamlit as st
def update_text_area():
# Your code to update the value of the text area
st.session_state.text = "Updated text"
if "text" not in st.session_state:
st.session_state["text"] = ""
text_area = st.text_area("Enter text", value=st.session_state["text"], height=200)
# Button to trigger the callback function
if st.button("Update text"):
update_text_area()
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