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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def to_utf8(path, output_path=None):
 """Convert any text file to utf8 encoding. """

    if output_path is None:
        basename, ext = os.path.splitext(path)
        output_path = basename + "-UTF8Encode" + ext
    
    text = smartread(path)
    write(text, output_path)