How do I make python3 my default Python?

To make python3 as default python by replacing python2 in Ubuntu.

1. Open Terminal.
2. cd.
3. nano ~/.bashrc.
4. alias python=python3 (Add this line on top of .bashrc file)
5. Press ctr+o (To save the file)
6. Press Enter.
7. Press ctr+x (To exit the file)
8. source ~/.bashrc OR . ~/.bashrc (To refresh the bashrc file)

How do I switch from Python 2 to Python 3 Mac terminal?

I have followed the below steps in Macbook.

1. Open terminal.
2. type nano ~/.bash_profile and enter.
3. Now add the line alias python=python3.
4. Press CTRL + o to save it.
5. It will prompt for file name Just hit enter and then press CTRL + x.
6. Now check python version by using the command : python –version.

How do I make Python 3.8 default on Mac?

Go to ‘Applications’, enter ‘Python’ folder, there should be a bash script called ‘Update Shell Profile. command’ or similar. Run that script and it should do it.

How do I make Python 3.7 default on Mac?

Open the terminal (bash or zsh) whatever shell you are using. Install python-3 using Homebrew (https://brew.sh). Look where it is installed. Change the default python symlink to the version you want to use from above….

1. New York City.
2. Work. Software Developer, CEO at Binary Inc.
3. May 14, 2020.

How do I run Python 2 instead of 3?

Right-click on file -> properties -> click the change button for default application and change it to the python3 executable. If you’re python3 installation path is different, make sure to use that instead.

How do I use python3?

Python 3 Installation on Windows

1. Step 1: Select Version of Python to Install.
2. Step 2: Download Python Executable Installer.
3. Step 3: Run Executable Installer.
4. Step 4: Verify Python Was Installed On Windows.
5. Step 5: Verify Pip Was Installed.
6. Step 6: Add Python Path to Environment Variables (Optional)

Can you have Python 2 and 3 at the same time Mac?

IMHO, the best way to use two different Python versions on macOS is via homebrew . After installing homebrew on macOS, run the commands below on your terminal. Now you can run Python 2.7 by invoking python2 or Python 3 by invoking python3 .

How do I change Python version on Mac?

To change the default version on a MacOS, we can begin by downloading the newest installer from the Python downloads page (https://www.python.org/downloads/mac-osx/). Downloading the installer will insert the new version into /usr/local/bin.

How do I change Python path on Mac?

How to add Python to the PATH variable in Mac

1. Opening the Terminal and entering the command: sudo nano /etc/paths . Enter your password when prompted to do so.
2. A list of directories that are currently a part of the PATH variable will appear.
3. Press control + X to quit and then Y to save the changes.

How do you use PiP on Mac?

Here’s how:

1. Open Safari on your Mac.
2. Go to the website and video you want to play and start playing it.
3. Click the PiP button on the Touch Bar.
4. To adjust the PiP window, drag it at any of the four corners of the screen.
5. To disengage PiP click on the PiP icon on the Touch Bar or the PiP button in the window.

How do I uninstall Python 3.9 on Mac?

Open the Finder, and click on Applications in the sidebar to navigate to the folder. Locate and select Python, then drag the icon to the Trash and drop it there. Right click the Trash icon and choose Empty Trash to perform the uninstall.

How to set Python default version to 3x on macOS?

QuickTip: How to set Python default version to 3.x on macOS? 1 Step #1: Install Homebrew #. Homebrew is an excellent package manager for macOS. 2 Step #2: Install Python with brew #. The simplest way to get this working is to install Python via brew. 3 Step #3: Symlink Python #. 4 Step #4: Verify python 3.X install #.

How do I change the default Python version in Python 36?

To prevent this, you can temporarily change the folder name from Python36 to xxPython36, run the command and then remove the change to the Python 36 folder. If you are on Windows, use the ASSOC command to change the default python version for python programs.

How do I run a specific version of Python?

You can also set PY_PYTHON3 or PY_PYTHON2 to specify default python 3 and python 2 versions (if you have multiple). If you need to run a specific version of python, you can use py -M.m (where M is the major version and m is the minor version).

What is the default version of Python for mountain lion?

Closed 4 months ago. I’m running Mountain Lion and the basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default. How do I set it so that every time I run $ python it opens 3.3? Changing the default python executable’s version system-wide could break some applications that depend on python2.