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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 storeFASTA(fastaFNH):
 """ Parse the records in a FASTA-format file by first reading the entire file into memory. :type source: path to FAST file or open file handle :param source: The data source from which to parse the FASTA records. Expects the input to resolve to a collection that can be iterated through, such as an open file handle. :rtype: tuple :return: FASTA records containing entries for id, description and data. """

    fasta = file_handle(fastaFNH).read()
    return [FASTARecord(rec[0].split()[0], rec[0].split(None, 1)[1], "".join(rec[1:]))
            for rec in (x.strip().split("\n") for x in fasta.split(">")[1:])]