python installation path code example

Example 1: how to find where python is located

>>> import os
>>> import sys
>>> os.path.dirname(sys.executable)
'C:\\Python25'

Example 2: add python to path

To add Python to the Windows Path, follow these steps:

1. Start the Run box and enter sysdm.cpl
2. In the System Properties window go to the Advanced tab and 
   click the Environment Variables button
3. In the System variable window, find the Path variable and 
   click Edit
4. Position your cursor at the end of the Variable value line 
   and add the path to the python.exe file, preceeded with 
   the semicolon character (;)

Example 3: where is python installed windows

1. Open start menu and type python
2. Right click on python and select open file location. It will a window in explorer just like below.
3. Again , right click on selected python and select open file location. A window will open and you are now in python’s installation directory.