Class attendance system
1 install all requirements from requirements.txt
follow the below commands, open terminal or cmd and type commands 

To set up a virtual environment and install dependencies from requirements.txt on both Windows and Ubuntu, 
first navigate to your project directory. 
On Windows, create the environment with 
python -m venv venv
then activate it using either 
.\venv\Scripts\Activate.ps1 (PowerShell) or venv\Scripts\activate (CMD).
Once activated, install the dependencies with 
pip install --upgrade pip 
followed by pip install -r requirements.txt. On Ubuntu, run python3 -m venv venv to create the environment, activate it with source venv/bin/activate, and install the required packages with pip install --upgrade pip and pip install -r requirements.txt. 
When you're done, you can deactivate the environment on either system using the deactivate command.
