#HOW TO INSTALL PYTHON ON MAC OS HOW TO#
#HOW TO INSTALL PYTHON ON MAC OS DOWNLOAD#

Run cd ~ to go to your home directory.

If you want to make Python 3.7 the default Python interactive interpreter, you can add directory /Library/Frameworks/amework/Versions/3.7/bin at the beginning of PATH system environment variable follow below steps.

Now when you run python in the command line, it will invoke Python 3.9 as default.

Lrwxr-xr-x 1 songzhao admin 9 Jan 24 10:45 python -> python3.9 # Below command create the new python and link it to file python3.9.

If you want to make the python command invoke Python 3.9 by default, you can create a new file python and link it to the python3.9 executable file in /Library/Frameworks/amework/Versions/3.9/bin directory.

So you can run the command python3.9 to invoke python 3.9 interactive interpreter.

Lrwxr-xr-x 1 root admin 9 Jan 23 14:15 python3 -> python3.9 $ cd /Library/Frameworks/amework/Versions/3.9/bin

Go to /Library/Frameworks/amework/Versions/3.9/bin directory, list all the files inside the directory, you can see the command file python3 is linked to another executable file python3.9.

Library/Frameworks/amework/Versions/3.9/bin:/Library/Frameworks/amework/Versions/2.7/bin.

Run echo $PATH command in a terminal, you can see python 3.9 and python 2.7 вЂs bin directory are all at the beginning of the PATH system environment variable.

#HOW TO INSTALL PYTHON ON MAC OS HOW TO#

But how to make python command invokes python 3.7 or python 3.9 instead of python 2.7, you can follow the below steps.

To get the current python version, add uppercase -V as the python command parameter like below.

Then you can go back to the terminal bash environment again.

To exit the Python interactive interpreter, input command exit().Type 'help', 'copyright', 'credits' or 'license' for more information.

To use the new Python version, you need to run python3 in the terminal.

Now when you execute the python command in a terminal, you will find it still uses the old version which is 2.7.

How To Fix Installed Python3 But Still Python 2.7 Is Used Error.

Now you can see all the 3 python version has been installed in the /Library/Frameworks/amework/VersionsВ folder.Дў.

Input /Library/Frameworks/amework/Versions in above Go to Folder dialog, click Go button.Open a Finder, click Go -> Go to FolderвЂ¦В menu item at the top menu bar. When the installation process completes successfully.After download, double click the installer to install it follow the wizard ( you can refer Install Python Linux And MacOS Version Tutorial ).

#HOW TO INSTALL PYTHON ON MAC OS DOWNLOAD#

Go to python download page and click the related link to download.

How to install python on mac os