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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 maskMatch(self, mask):
 """ Determine whether this sequence matches the given mask. :param mask: string to match against. Ns in the mask are considered to match anything in the sequence -- all other chars must match exactly. :return: True if the mask matches at all places, otherwise false """

    if len(mask) > len(self.sequenceData):
      return False
    lim = len(mask)
    for i in range(0, lim):
      if mask[i] == "N" or mask[i] == "n":
        continue
      if mask[i] != self.sequenceData[i]:
        return False
    return True