interacting with python in this accessing the command line using commands to perform tasks obtaining help about python ending command-line session ltimatelyany application you create interacts with the computer and the data it contains the focus is on data because without datathere isn' good reason to have an application any application you use (even one as simple as solitairemanipulates data in some way in factthe acronym crud sums up what most applications docreate read update delete if you remember crudyou'll be able to summarize what most applications do with the data your computer contains (and some applications really are quite cruddyhoweverbefore your application accesses the computeryou have to interact with programming language that creates list of tasks to perform in language the computer understands that' the purpose of this you begin interacting with python python takes the list of steps you want to perform on the computer' data and changes those steps into bits the computer understands