python ( :bd afb ebf sep : : [msc bit type "help""copyright""creditsor "licensefor more information ^ alternativelyyou can run "cdchange-directory command to go to python' install directory before typing python--try the cd :\python command on windowsfor examplec:\codecd :\python :\python python python ( :bd afb ebf sep : : [msc bit type "help""copyright""creditsor "licensefor more information ^ but you'll probably want to set your path eventuallyso simple "pythonsuffices if you don' know what path is or how to set itsee appendix --it covers environment variables like this whose usage varies per platformas well as python command-line arguments we won' be using much in this book the short story for windows userssee the advanced settings in the system entry of your control panel if you're using python and laterthis is now automatic on windowsas the next section explains new windows options in pathlauncher the foregoing section and much of this at large describe the generic state of play for all and pythons prior to version starting with python the windows installer has an option to automatically add python ' directory to your system pathif enabled in the installer' windows if you use this optionyou won' need to type directory path or issue "cdto run python commands as in the prior section be sure to select this option during the install if you want itas it' currently disabled by default more dramaticallypython for windows ships with and automatically installs the new windows launcher-- system that comes with new executable programspy with console and pyw withoutthat are placed in directories on your system pathand so may be run out of the box without any path configurationschange-directory commandsor directory path prefixesc:\codepy python ( :bd afb ebf sep : : [msc bit type "help""copyright""creditsor "licensefor more information ^ :\codepy - python (defaultapr : : [msc bit (amd )type "help""copyright""creditsor "licensefor more information ^ :\codepy - python (defaultjun : : [msc bit (amd ) how you run programs