Python

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HOWTO

virtual environment

Create virtual environment

mkdir myproject
cd myproject
python -m venv venv
source venv/bin/activate

and then you can

pip install whatever


Leave virtual environment

deactivate

Data types

Tuples

Tuples methods

Regex

Strings

Length of string

len(s)

Lists

List operators

Regular expressions

https://docs.python.org/3/library/re.html

FAQ

-bash: python: command not found

Try

update-alternatives --config python

update-alternatives: error: no alternatives for python

update-alternatives --install /usr/bin/python python $(which python3) 1

Leave virtualenv

deactivate