python能对EXCEL文件操作吗?

CODE:

from win32com.client import Dispatch

class easyExcel:
    """A utility to make it easier to get at Excel. Remembering
    to save the data is your problem, as is error handling.
    Operates on one workbook at a time."""

    def __init__(self, filename=None):
        self.xlApp = Dispatch('Excel.Application')
        if filename:
            self.filename = filename
            self.xlBook = self.xlApp.Workbooks.Open(filename)
        else:
            self.xlBook = self.xlApp.Workbooks.Add()
            self.filename = ''

    def save(self, newfilename=None):
        if newfilename:
            self.filename = newfilename
            self.xlBook.SaveAs(newfilename)
        else:
            self.xlBook.Save()

    def close(self):
        self.xlBook.Close(SaveChanges=0)
        del self.xlApp
        
    def getCell(self, sheet, row, col):
        "Get value of one cell"
        sht = self.xlBook.Worksheets(sheet)
        return sht.Cells(row, col).Value
   
    def getContiguousRange(self, sheet, row, col):
        """Tracks down and across from top left cell until it
        encounters blank cells; returns the non-blank range.
        Looks at first row and column; blanks at bottom or right
        are OK and return None within the array"""

        sht = self.xlBook.Worksheets(sheet)

        # find the bottom row
        bottom = row
        while sht.Cells(bottom + 1, col).Value not in [None, '']:
            bottom = bottom + 1

        # right column
        right = col
        while sht.Cells(row, right + 1).Value not in [None, '']:
            right = right + 1

        return sht.Range(sht.Cells(row, col), sht.Cells(bottom, right)).Value

if __name__ == '__main__':
    filename = r'list.xls'
    sheet = r'sheet1'
    staff = easyExcel(filename)
##    print staff.getContiguousRange(sheet, 1,1)
    print staff.getCell(sheet, 1,1)
    staff.close()