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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 refs_section(doc):
 """ Generate a References section. Parameters doc : dict Dictionary produced by numpydoc Returns ------- list of str Markdown for references section """

    lines = []
    if "References" in doc and len(doc["References"]) > 0:
        # print("Found refs")
        for ref in doc["References"]:
            # print(ref)
            ref_num = re.findall("\[([0-9]+)\]", ref)[0]
            # print(ref_num)
            ref_body = " ".join(ref.split(" ")[2:])
            # print(f"[^{ref_num}] {ref_body}" + "\n")
            lines.append(f"[^{ref_num}]: {ref_body}" + "\n\n")
            # print(lines)
    return lines