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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 count_mismatches_after_variant(reference_suffix, cdna_suffix):
 """ Computes the number of mismatching nucleotides between two cDNA sequences after a variant locus. Parameters reference_suffix : str cDNA sequence of a reference transcript after a variant locus cdna_suffix : str cDNA sequence detected from RNAseq after a variant locus """


    len_diff = len(cdna_suffix) - len(reference_suffix)

    # if the reference is shorter than the read, the read runs into the intron - these count as
    # mismatches
    return sum(xi != yi for (xi, yi) in zip(reference_suffix, cdna_suffix)) + max(0, len_diff)