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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 convert_from_bytes_if_necessary(prefix, suffix):
 """ Depending on how we extract data from pysam we may end up with either a string or a byte array of nucleotides. For consistency and simplicity, we want to only use strings in the rest of our code. """

    if isinstance(prefix, bytes):
        prefix = prefix.decode('ascii')

    if isinstance(suffix, bytes):
        suffix = suffix.decode('ascii')

    return prefix, suffix