python review python is modern interpreted programming language that can be used to construct programs using either procedural or object-oriented paradigm it provides many built-in features and has simple syntax that is easy to learn in this appendixwe review the basics of python in order to provide refresher of the material you learned in your first introductory python course this is not complete coverage of the languagebut it focuses on those concepts that will be important to the coverage of the material in this text python has evolved over the years with various modifications and the addition of new features with each new version in this textwe assume the use of python version which includes some important differences from the popular earlier versions and in order to aide those who learned python using the earlier versionswe note the major differences throughout the review the python interpreter python programs are executed using the python interpreterwhich is program that reads and executes instructions written in the python language the interpreter can execute python programs in either interactive mode or script mode interactive mode is useful for testing single statements or small code segments to use interactive modestart the interpreter by entering the commandpython at the prompt in command-line terminal the interpreter will display an informational message similar to the followingpython ( : oct : : [gcc (red hat - )on linux type "help""copyright""creditsor "licensefor more information