python读取excel数据

import xlrd
from xlrd import open_workbook
def readsheet(s,row_count=-1,col_count=-1):
nrows=s.nrows
ncols=s.ncols
row_count=(row_count if row_count>0 else nrows)
col_count=(col_count if col_count>0 else ncols)
row_index=0
while row_index<row_count:
yield [s.cell(row_index,col).value for col in range(col_count)]
row_index+=1

wb=open_workbook('F:\Python\matrix\matrix.xlsx')
for s in wb.sheets():
for row in readsheet(s,10,10):
print(row)