following codeincluding the misspelled word mesage shown in boldmessage "hello python crash course reader!print(mesagewhen an error occurs in your programthe python interpreter does its best to help you figure out where the problem is the interpreter provides traceback when program cannot run successfully traceback is record of where the interpreter ran into trouble when trying to execute your code here' an example of the traceback that python provides after you've accidentally misspelled variable' nametraceback (most recent call last) file "hello_world py"line in print(mesagew nameerrorname 'mesageis not defined the output at reports that an error occurs in line of the file hello_world py the interpreter shows this line to help us spot the error quickly and tells us what kind of error it found in this case it found name error and reports that the variable being printedmesagehas not been defined python can' identify the variable name provided name error usually means we either forgot to set variable' value before using itor we made spelling mistake when entering the variable' name of coursein this example we omitted the letter in the variable name message in the second line the python interpreter doesn' spellcheck your codebut it does ensure that variable names are spelled consistently for examplewatch what happens when we spell message incorrectly in another place in the code as wellmesage "hello python crash course reader!print(mesagein this casethe program runs successfullyhello python crash course readercomputers are strictbut they disregard good and bad spelling as resultyou don' need to consider english spelling and grammar rules when you're trying to create variable names and writing code many programming errors are simplesingle-character typos in one line of program if you're spending long time searching for one of these errorsknow that you're in good company many experienced and talented programmers spend hours hunting down these kinds of tiny errors try to laugh about it and move onknowing it will happen frequently throughout your programming life