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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_pubmed_citation_response(pubmed_identifiers: Iterable[str]):
 """Get the response from PubMed E-Utils for a given list of PubMed identifiers. :param pubmed_identifiers: :rtype: dict """

    pubmed_identifiers = list(pubmed_identifiers)
    url = EUTILS_URL_FMT.format(','.join(
        pubmed_identifier
        for pubmed_identifier in pubmed_identifiers
        if pubmed_identifier
    ))
    response = requests.get(url)
    return response.json()