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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 from_code_array(self):
 """Returns xls workbook object with everything from code_array"""


        worksheets = []
        self._shape2xls(worksheets)

        self._code2xls(worksheets)

        self._row_heights2xls(worksheets)
        self._col_widths2xls(worksheets)

        return self.workbook