using query strings and urllib formatting reply text web-based shelve interface the end of the demo part ii system programming system tools "the os path to knowledgewhy python herethe next five system scripting overview python system modules module documentation sources paging documentation strings custom paging script string method basics other string concepts in python xunicode and bytes file operation basics using programs in two ways python library manuals commercially published references introducing the sys module platforms and versions the module search path the loaded modules table exception details other sys module exports introducing the os module tools in the os module administrative tools portability constants common os path tools running shell commands from scripts other os module exports script execution context " ' like to have an argumentpleasecurrent working directory cwdfilesand import paths cwd and command lines vi table of contents