The Python interpreter is usually installed as
/usr/local/bin/python on those machines where it is available;
putting /usr/local/bin in your Unix shell's search path makes it
possible to start it by typing the command to the shell. Since
the choice of the directory where the interpreter lives is an
installation option, other places are possible; check with your
local Python guru or system administrator. (E.g.,
/usr/local/python is a popular alternative location.) On Windows
machines, the Python installation is usually placed in
C:\Python24, though you can change this when you're running the
installer. To add this directory to your path, you can type the
following command into the command prompt in a DOS box: Typing
an end-of-file character (Control-D on Unix, Control-Z on
Windows) at the primary prompt causes the interpreter to exit
with a zero exit status. If that doesn't work, you can exit the
interpreter by typing the following commands: "import sys;
sys.exit()". The interpreter's line-editing features usu