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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 get_language_tool_feedback(sentence):
 """Get matches from languagetool"""

    payload = {'language':'en-US', 'text':sentence}
    try:
        r = requests.post(LT_SERVER, data=payload)
    except requests.exceptions.ConnectionError as e:
        raise requests.exceptions.ConnectionError('''The languagetool server is
        not running.  Try starting it with "ltserver" ''')
    if r.status_code >= 200 and r.status_code < 300:
        return r.json().get('matches', [])
    return []