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With os module, you can get and change the current working directory where Python is running.

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os module is included in the standard library, so no additional installation is required.

Title says it all, is there a way to incorporate Panda on IDLE, so it functions similar to anaconda? New to python and returning to coding after a hiatus, hence my ignorance to using bash/Linux command line to get these sorts of things done at the moment. More from Raghav - How to install Python on MacOS Step by Step for Beginners Today we will learn: 1. Check if Python is alr.

Here, the following contents will be described.

Get the current working direcory: os.getcwd()
Change the current working direcory: os.chdir()

The path of the script file (.py) being executed can be obtained with __file__. See the following post.

Related:Get the path of running file (.py) in Python: __file__

Get the current working direcory: os.getcwd()

os.getcwd() returns the absolute path of the working directory where Python is currently running as a string str.

You can check the result with print().

getcwd stands for 'get current working directory'.

Use os.path to manipulate the path string. See the following post for details.

Related:Extract the file, dir, extension name from a path string in Python

Change the current working direcory: `os.chdir()`

You can change the current working directory with os.chdir().

Specify the destination path in the argument. It can be absolute or relative. Use '../' to move up.

You can change the current directory in the same way as the UNIX cd command.

chdir stands for 'change directory'. Same as cd.

With the __file__ and os.path functions, you can change the current directory to the directory where the running script file (.py) exists.

See the following post for details.

Related:Get the path of running file (.py) in Python: __file__

Check out the steps below to install Python 3 on Mac OSX.

How to download Python3

You can download Python 3 by downloading from official Python website or using Homebrew package manager for macOS .

Python Official Site

1) Open up Python official download site. It looks something like the image below. Press Download Python 3.7.4 or the version you would like to download.

2) After downloading the installer, open it to install Python 3.

Python 3.7.4 installer Read Me contains the following note about Python 3 and Python 2 Co-existence. Thus, to run Python 3, you can run Python3 or Python3.X.X (a specific version that you installed on your machine). To run Python 2, you can run Python or Python2.7.

3) Remove Python installer when you are done installing

4) Run python3 --version to check if Python 3 is installed.

If you install Python 3.7.X, you can also check its version using this command:

Homebrew

Another way to install Python 3 on Mac OS is using Homebrew package manager.

1) If you don’t have Homebrew install, you can install Homebrew by following the steps on Homebrew site. You can also use the following command to install Homebrew by copy and pasting it onto your terminal.

2) To install the latest version of Python 3, run the command below.

If you already have the latest Python installed, you will see something like the message below.

3) Run python3 --version to check if Python 3 is installed.

If you install Python 3.7.X, you can also check its version using this command:

Python 3 Shell

To open Python 3 shell from terminal, you can run Python 3.

To close Python shell, you can type in exit(). The hotkeys to close it is to press Ctrl and D simultaneously.
Note that Command and D splits your Python shell view.

Note that you can still access Python 2 by running python command.

Python 3 Package Manager Pip3

Python 3 comes with its own package manager pip3. You can check out Python Package Index to look for packages that you need.

To install a package using pip, you can run pip3 install package_name.

Switch between Python 3 Versions

Python Official Site

The easier way is to download multiple versions from Python official website and run Python command with a version appeneded such as python3.7 and python3.6.