[PYTHON] Creating a virtual environment in an Anaconda environment

Introduction

I installed Python and created a virtual environment from the venv command, but using ** Anaconda ** (an open source distribution for scientific calculations) can create a different Python version of the environment. However, it seems that it is easy to operate visually, so in this article I will try creating a virtual environment with Anaconda.

Execution environment

[Local PC environment-OS] ・ Windows 10 Pro

[Soft package] ・ Anaconda3-2020.07-Windows-x86_64

What to do this time

    1. Installation of Anaconda
  2. Creating a virtual environment

1. 1. Installation of Anaconda

** First, download the installer that suits your PC from the following site. ** ** 　　https://www.anaconda.com/products/individual

** Run the downloaded [.exe] file ** After starting, the following flow.

・ Setup screen ⇒ Click "NEXT" ・ License agreement ⇒ Click "I Agree" -Select installation type ⇒ Click "NEXT" * Default "Just Me" is OK ・ Installation location ⇒ Decide appropriately and click "NEXT" * Default OK -Installation option ⇒ Click "NEXT" without checking anything

** Launch Anaconda ** Click [Anaconda Navigator] to start it. Qiita-no016_img02.jpg Qiita-no016_img03.jpg

2. Creating a virtual environment

Open [Environments] on the left menu and click "Create". A pop-up screen will appear. After deciding the name and package of the virtual environment, click "Create" to create the environment.

Qiita-no016_img04.jpg

Supplement

By default, only one version of Python and R was included, but it is possible to create different versions of the environment. You can create an environment with another version of Python installed by starting [Anaconda Prompt] and executing the following command. Qiita-no016_img05.jpg

python


conda create -n [Environment name] python=【version】

#Actual command example
conda create -n test_py36 python3.6

When I check it from Navigator, an environment with Python 3.6 is created. Qiita-no016_img06.jpg

Summary

It's certainly easy to create a virtual environment, and creating different versions of the environment doesn't seem to be a problem, so I'll try using Anaconda for a while. If you have any inconvenience while using it, I will leave a note again. ..

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