how to find a string in an excel with xlrd
from xlrd import open_workbook
book = open_workbook(workbookName)
for sheet in book.sheets():
for rowidx in range(sheet.nrows):
row = sheet.row(rowidx)
for colidx, cell in enumerate(row):
if cell.value == "particularString" :
print sheet.name
print colidx
print rowidx