python not recognized as a command

Question

I just downloaded and installed Python 2 7 2 to my laptop and I am trying to run some sample programs  My laptop is running Windows XP   When I open a cmd window and type python I get       python  is not recognized as an internal or external command  operable program or batch file    I am not a Windows person  mostly mainframes   However I am guessing that there is some command that I need to execute to define python as a command  Can anyone tell me what that command is   The installer placed Python at C  Python27

User · Answer

Further to  Udi post this is what the script tried to do  but did not work with me   I had to the set the following in the PATH nothing else   C  Users hUTBER AppData Local Programs Python Python35 C  Users hUTBER AppData Local Programs Python Python35 Scripts   Were mine and now python works in the cmd

User · Answer

Easy  Won t need to get confused but paths and variables and what to click  Just follow my steps  Go to the python installer  Run it  Out of the 3 options choose modify  Check py launcher  Next  Check  quot Add python to environment variables quot  Install  Restart the cmd when finished and boom done

User · Answer

Go to Control Panel   System    Advanced  tab   Enviromental Variables  Find variable called PATH in the lower list  and edit it  Add to the end C  Python27  Open a new cmd window and try now

User · Answer

I had the same problem for a long time   I just managed to resolve it    So  you need to select your Path  like the others said above  What I did   Open a command window  Write set path C  Python24  put the location and the version for your python   Now type python  It should work   The annoying part with this is that you have to type it every time you open the CMD   I tried to do the permanent one  with the changes in the Environmental variables  but for me its not working

User · Answer

You can do it in python installer

User · Answer

Make sure you click on Add python exe to path during install  and select       Will be installed on local hard drive    It fixed my problem  hope it helps

User · Answer

in PowerShell enter this       Environment   SetEnvironmentVariable  Path     env Path C  Python27      User     Close PowerShell and then start it again to make sure Python now runs  If it doesn   t  restart may be required

User · Answer

Another helpful but simple solution might be restarting your computer after doing the download if Python is in the PATH variable  This has been a mistake I usually make when downloading Python onto a new machine   After restarting my machine then Windows will often recognize Python in the PATH variable

User · Answer

Just another clarification for those starting out  When you add C  PythonXX to your path  make sure there are NO SPACES between variables e g    This   SomeOtherDirectory C  Python27  Not this   SomeOtherDirectory  C  Python27  That took me a good 15 minutes of headache to figure out  I m on windows 7  might be OS dependent   Happy coding

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emphasis  Remember to always RESTART the CMD WINDOW after setting the PATH environmental variable for it to take effect

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This is because the Python exec are not in the search path of your operating system  In windows  start CMD  Type in   setx PATH PythonPath  where PythonPath is usually C  Python27 or C  Python33 or C  Users  lt Your User Name gt  AppData Local Programs Python Python37 depending on your Python version  After restarting the CMD  you should get see outcomes when typing   Python --version

User · Answer

Python comes with a small utility that fixes this   From the command line run   c  python27 tools scripts win add2path py   Make sure you close the command window  with exit or the close button  and open it again

User · Answer

You need to add the python executable path to your Window s PATH variable    From the desktop  right-click My Computer and click Properties  In the System Properties window  click on the Advanced tab  In the Advanced section  click the Environment Variables button  Highlight the Path variable in the Systems Variable section and click the Edit button  Add the path of your python executable c  Python27    Each different directory is separated with a semicolon   Note  do not put spaces between elements in the PATH  Your addition to the PATH should read  c  Python27 NOT   C Python27  Apply the changes  You might need to restart your system  though simply restarting cmd exe should be sufficient  Launch cmd and try again  It should work

[python] "python" not recognized as a command

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