exercise - stripping names numbers integers floats avoiding type errors with the str(function integers in python exercise - number eight exercise - favorite number comments how do you write comments what kind of comments should you write exercise - adding comments the zen of python exercise - zen of python summary introducing lists what is list accessing elements in list index positions start at not using individual values from list exercise - names exercise - greetings exercise - your own list changingaddingand removing elements modifying elements in list adding elements to list removing elements from list exercise - guest list exercise - changing guest list exercise - more guests exercise - shrinking guest list organizing list sorting list permanently with the sort(method sorting list temporarily with the sorted(function printing list in reverse order finding the length of list exercise - seeing the world exercise - dinner guests exercise - every function avoiding index errors when working with lists exercise - intentional error summary working with lists looping through an entire list closer look at looping doing more work within for loop doing something after for loop xii contents in detail