Hi my script add below . Please help me

workbook = xlsxwriter.Workbook('demo.xlsx')
worksheet = workbook.add_worksheet('NMOC')
bold = workbook.add_format({'bold': True})

 # Write some data headers.
worksheet.write('A1', 'RNC', bold)
worksheet.write('B1', 'CELL', bold)

f = open("/root/Desktop/Scripting/Update_Table/eaw/testtt.sh",'r').read()

# Start from the first cell. Rows and columns are zero indexed.
row = 1
col = 0

for rnc, cell in (f):
   worksheet.write(row,col,  rnc)
   worksheet.write(row,col + 1, cell)
   row += 1
workbook.close()

workbook = xlsxwriter.Workbook('demo.xlsx')
worksheet = workbook.add_worksheet('NMOC')
bold = workbook.add_format({'bold': True})

 # Write some data headers.
worksheet.write('A1', 'RNC', bold)
worksheet.write('B1', 'CELL', bold)

f = open("/root/Desktop/Scripting/Update_Table/eaw/testtt.sh",'r').read()

# Start from the first cell. Rows and columns are zero indexed.
row = 1
col = 0

for rnc, cell in (f):
   worksheet.write(row,col,  rnc)
   worksheet.write(row,col + 1, cell)
   row += 1
workbook.close()