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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 events(url=None, file=None, string_content=None, start=None, end=None, fix_apple=False):
 """ Get all events form the given iCal URL occurring in the given time range. :param url: iCal URL :param file: iCal file path :param string_content: iCal content as string :param start: start date (see dateutils.date) :param end: end date (see dateutils.date) :param fix_apple: fix known Apple iCal issues :return: events as list of dictionaries """

    found_events = []

    content = None

    if url:
        content = ICalDownload().data_from_url(url, apple_fix=fix_apple)

    if not content and file:
        content = ICalDownload().data_from_file(file, apple_fix=fix_apple)

    if not content and string_content:
        content = ICalDownload().data_from_string(string_content,
                                                  apple_fix=fix_apple)

    found_events += parse_events(content, start=start, end=end)

    return found_events