Using coverage py with python coverage

### step 1: install `coverage` package
first, you need to install the `coverage` package. you can do this using `pip`:

### step 2: run your tests with coverage

### step 3: generate coverage report
after running your script or tests with coverage, you can generate a coverage report using the `coverage report` command. this will show you the percentage of code that was executed during the run:

### step 4: generate html report
you can also generate an html coverage report for a more detailed view. use the `coverage html` command to generate the html report:

### step 5: view the coverage report
once you have generated the html report, you can open it in a web browser to see a detailed coverage report including which lines of code were covered and which were not.

### example:

after running the script with coverage and generating the report, you can see the coverage results for the functions `add` and `subtract`.

...

#python pyodbc
#python pycharm
#python pypi
#python pyautogui
#python pyenv

python pyodbc
python pycharm
python pypi
python pyautogui
python pyenv
python pygame
python pydantic
python pytz
python pytorch
python pytest
python using enums
python using venv
python using classes
python using pandas
python using kwargs
python using global variables
python using environment variables
python using pip