Create file_uploader.py

apps/file_uploader.py

@@ -0,0 +1,38 @@
+import streamlit as st
+import pandas as pd
+
+st.title("File uploader example")
+
+st.write(
+    """
+This is an example of how to use a file uploader.
+Here, we are simply going to upload a CSV file and display it.
+
+It should serve as a minimal example
+for you to jump off and do more complex things.
+"""
+)
+
+st.header("Upload CSV")
+csv_file = st.file_uploader(
+    label="Upload a CSV file", type=["csv"], encoding="utf-8"
+)
+
+if csv_file is not None:
+    data = pd.read_csv(csv_file)
+    st.dataframe(data)
+
+st.header("Upload Images")
+
+st.write(
+    """
+Below is another example, where we upload an image and display it.
+"""
+)
+
+image_file = st.file_uploader(
+    label="Upload an image", type=["png", "jpg", "tiff"], encoding=None
+)
+
+if image_file is not None:
+    st.image(image_file)