[PYTHON] virtualenv For the time being, this is all!

I created it because I stumbled many times when creating a virtual environment for Python.

Before creating a virtual environment ...

You need to install virtualenv, so install it.

$ pip install virtualenv

Creating a virtual environment

$ virtualenv <DIR>

Start virtual environment

$ source <DIR>/bin/activate

When the virtual environment starts, the virtual environment name is displayed in parentheses on the left side of the prompt as shown below.

(<DIR>) XXX:YYY UserName$

Exit the virtual environment

$ deactivate

When the virtual environment is closed, the virtual environment name on the left side of the prompt disappears as shown below.

XXX:YYY UserName$

reference

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