... is, the first (top) string for each digit, then the second, and so on. We assume that all the bigDigits’ slices have the samenumber of rows and so take the row count from the first one. Go’s for loop ... }} The main()function gets the input and output filenames from the command line,creates corresponding file values, and then passes the files to the americanise()function to do the work. The ... two strings based on the two givenfloat64s, formatting each with the specified number of decimalplaces. If the magnitudes of the numbers differ, then so will the lengths of the aandb strings...