#!/usr/bin/python3
import sys
import io

def convert_iso8859_to_utf8(filepath):
    # open the file with ISO-8859-1 encoding
    with io.open(filepath, 'r', encoding='iso-8859-1') as f:
        # read the file's content
        content = f.read()
    # write the UTF-8 encoded content to a new file
    with io.open(filepath, 'w', encoding='utf-8') as f:
        f.write(content)
    print(f"{filepath} has been converted to UTF-8.")


filepath = sys.argv[1]
convert_iso8859_to_utf8(filepath)