facility with pythonthe languagethe easier it will be for you to prepare new data sets for analysis the python interpreter python is an interpreted language the python interpreter runs program by executing one statement at time the standard interactive python interpreter can be invoked on the command line with the python commandpython python (defaultoct : : [gcc on linux type "help""copyright""creditsor "licensefor more information print the you see is the prompt where you'll type expressions to exit the python interpreter and return to the command promptyou can either type exit(or press ctrl- running python programs is as simple as calling python with py file as its first argument suppose we had created hello_world py with these contentsprint 'hello worldthis can be run from the terminal simply aspython hello_world py hello world while many python programmers execute all of their python code in this waymany scientific python programmers make use of ipythonan enhanced interactive python interpreter is dedicated to the ipython system by using the %run commandipython executes the code in the specified file in the same processenabling you to explore the results interactively when it' done ipython python |epd ( -bit)(defaultjul : : type "copyright""creditsor "licensefor more information ipython -an enhanced interactive python -introduction and overview of ipython' features %quickref -quick reference help -python' own help system object-details about 'object'use 'object??for extra details in [ ]%run hello_world py hello world in [ ] appendixpython language essentials www it-ebooks info