How do you retrieve the filename of a file uploaded with st.file_uploader?

If you upload a single file (i.e. accept_multiple_files=False), the filename can be retrieved by using the .name attribute on the returned UploadedFile object:

import streamlit as st

uploaded_file = st.file_uploader("Upload a file")

if uploaded_file:
   st.write("Filename: ",

If you upload multiple files (i.e. accept_multiple_files=True), the individual filenames can be retrieved by using the .name attribute on each UploadedFile object in the returned list:

import streamlit as st

uploaded_files = st.file_uploader("Upload multiple files", accept_multiple_files=True)

if uploaded_files:
   for uploaded_file in uploaded_files:
       st.write("Filename: ",

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