how to create a virtual environment in python

pip install virtualenv # install first
cd projectfolder # go to project folder
python -m venv ./venv # Create a virtual environment named venv
Activate.ps1 # (powershell) start the file  to start the environment
activate.bat # (cmd) start the file  to start the environment
# if it worked you'll see a (venv) in front of your cursor path

pip install virtualenv
cd projectfolder #go to project folder
virtualenv projectname #create the folder projectname 
source projectname/bin/activate

python3 -m venv tutorial-env
#name : tutorial-env
tutorial-env\Scripts\activate 	#activate env
deactivate #deactivate env

py -m venv env

python3 -m venv env

source env/bin/activate

python3 -m pip install --user virtualenv

# First install virtualenv
!pip3 install virtualenv

# Go to the desired directory which you wish you run your virtual environment.
cd project_directory

# create a virtual environment called my_virtualenv
virtualenv my_virtualenv

### to run the virtual environemt run "activate" as in the following command
.\my_virtualenv\Scripts\activate