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How do I use python3 instead of python2?

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How do I use python3 instead of python2?

If you are using Linux, add the following into into ~/. bashrc alias python=python3 Restart the shell and type python and python3 should start instead of python2. If you’re using Windows then you can use the Python Launcher For Windows.

Is pip the same for Python 2 and 3?

2 get-pip.py installs pip and pip-3.2 scripts in /usr/local/bin and both logically use Python 3. sudo python get-pip.py installs pip and pip-2.7 here, so in this case pip uses Python 2.7. I additional created link to pip-3.2 as pip3 and tested: Perfect! 🙂 On Fedora, it’s pip3.

Does pip work with Python 3?

Getting Started With pip Package management is so important that pip has been included with the Python installer since versions 3.4 for Python 3 and 2.7. 9 for Python 2, and it’s used by many Python projects, which makes it an essential tool for every Pythonista.

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How do I change pip to Python?

  1. While in the virtualenv, install your favorite python packages with pip install –upgrade package_name.
  2. To exit the virtualenv and python version just type “deactivate”

Why do I have to type python3?

To get the Python 3.5 REPL or run a script that’s compatible, type python3 . This is to maintain compatibility with all the legacy python 2. x (which has always been, and will remain linked to python ). The dash could find python if you set up a .

How do I open python3?

To start a Python interactive session, just open a command-line or terminal and then type in python , or python3 depending on your Python installation, and then hit Enter .

How do I change my default pip?

For mine:

  1. Check the infor: lerner@lerner:~/$ pip -V. pip 1.5.4 from /usr/lib/python3/dist-packages (python 3.4) lerner@lerner:~/$ pip2 -V.
  2. Change the setting: Change the python3 to python2, be careful of its version(1.5.4 to 9.0.1 everywhere).
  3. Now save and check:
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Can I have two versions of Python installed?

If you wish to use multiple versions of Python on a single machine, then pyenv is a commonly used tool to install and switch between versions. This is not to be confused with the previously mentioned depreciated pyvenv script.