import streamlit as st
import pandas as pd

def main():
    st.title("CSV File Viewer")

    # Allow the user to upload a CSV file
    uploaded_file = st.file_uploader("Upload a CSV file", type="csv")

    if uploaded_file is not None:
        # Load the CSV file into a DataFrame
        df = pd.read_csv(uploaded_file)

        # Display the number of rows in the DataFrame
        st.write(f"The number of rows in the CSV file is: {len(df)}")

if __name__ == "__main__":
    main()