Daniel makes changes to a workbook named “results.” he saves the file as “new results” but did not realize that a worksheet named “bonus” has an external link to the original “results” workbook. david opens the “bonus” worksheet and sees an error message stating the workbook has links to other data sources. what steps should daniel perform to fix this error?

Afile named data. txt contains an unknown number of lines, each consisting of a single integer. write some code that creates two files, dataplus. txt and dataminus. txt, and copies all the lines of data1.txt that have positive integers to dataplus. txt, and all the lines of data1.txt that have negative integers to dataminus. txt. zeros are not copied anywhere.