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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 DumpAsCSV (self, separator=",", file=sys.stdout):

 """dump as a comma separated value file"""

                for row in range(1, self.maxRow + 1):
                        sep = ""
                        for column in range(1, self.maxColumn + 1):
                                file.write("%s\"%s\"" % (sep, self.GetCellValue(column, row, "")))
                                sep = separator
                        file.write("\n")