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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 grab_checksums_file(entry):
 """Grab the checksum file for a given entry."""

    http_url = convert_ftp_url(entry['ftp_path'])
    full_url = '{}/md5checksums.txt'.format(http_url)
    req = requests.get(full_url)
    return req.text