File: class/Workbook/Exercises/Lab8/ex9.txt
% python >>> import os >>> os.environ['USER'] = 'mark' >>> os.environ['USER'] 'mark' >>> os.environ['USER'] = 'lwall' >>> os.environ['USER'] 'lwall' >>> os.system('env | grep USER') USER=lwall 0 >>> output = os.popen('env | grep USER').read() >>> output 'USER=lwall\012'