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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 make_editions_dict(editions):
 """Take a reporter editions dict and flatten it, returning a dict for use in the DictWriter. """

    d = {}
    nums = ['1', '2', '3', '4', '5', '6']
    num_counter = 0
    for k, date_dict in editions.items():
        d['edition%s' % nums[num_counter]] = k
        if date_dict['start'] is not None:
            d['start_e%s' % nums[num_counter]] = date_dict['start'].isoformat()
        if date_dict['end'] is not None:
            d['end_e%s' % nums[num_counter]] = date_dict['end'].isoformat()

        num_counter += 1

    return d