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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 parse_text (url_data):
 """Parse a text file with one url per line; comment and blank lines are ignored."""

    lineno = 0
    for line in url_data.get_content().splitlines():
        lineno += 1
        line = line.strip()
        if not line or line.startswith('#'):
            continue
        url_data.add_url(line, line=lineno)