dictionary key on the worksheet object to specify which cell to write to projectupdating spreadsheet in this projectyou'll write program to update cells in spreadsheet of produce sales your program will look through the spreadsheetfind specific kinds of produceand update their prices download this spreadsheet from figure - spreadsheet of produce sales each row represents an individual sale the columns are the type of produce sold ( )the cost per pound of that produce ( )the number of pounds sold ( )and the total revenue from the sale (dthe total column is set to the excel formula =round( * )which multiplies the cost per pound by the number of pounds sold and rounds the result to the nearest cent with this formulathe cells in the total column will automatically update themselves if there is change in column or now imagine that the prices of garlicceleryand lemons were entered incorrectlyleaving you with the boring task of going through thousands of rows in this spreadsheet to update the cost per pound for any garlicceleryand lemon rows you can' do simple find-and-replace for the pricebecause there might be other items with the same price that you don' want to mistakenly "correct for thousands of rowsthis would take hours to do by hand but you can write program that can accomplish this in seconds your program does the following loops over all the rows if the row is for garlicceleryor lemonschanges the price working with excel spreadsheets