this can be helpful for debugging one other problem you might run into is that different systems use different characters to indicate the end of line some systems use newlinerepresented \ others use return characterrepresented \ some use both if you move files between different systemsthese inconsistencies might cause problems for most systemsthere are applications to convert from one format to another you can find them (and read more about this issueat orof courseyou could write one yourself glossary catch to prevent an exception from terminating program using the try and except statements newline special character used in files and strings to indicate the end of line pythonic technique that works elegantly in python "using try and except is the pythonic way to recover from missing filesquality assurance person or team focused on insuring the overall quality of software product qa is often involved in testing product and identifying problems before the product is released text file sequence of characters stored in permanent storage like hard drive exercises exercise write program to read through file and print the contents of the file (line by lineall in upper case executing the program will look as followspython shout py enter file namembox-short txt from stephen marquard@uct ac za sat jan : : return-pathreceivedfrom murder (mail umich edu ]by frankenstein mail umich edu (cyrus vwith lmtpasat jan : : - you can download the file from www py com/code /mbox-short txt exercise write program to prompt for file nameand then read through the file and look for lines of the formx-dspam-confidence when you encounter line that starts with " -dspam-confidence:pull apart the line to extract the floating-point number on the line count these lines and then compute the total of the spam confidence