3. Determine the cost per ounce for each type of liquor you serve. You can easily calculate how much each ounce of alcohol costs by dividing the cost of each bottle by the amount of ounces it holds. For example, if your cost for a 33-ounce bottle of liquor is $30, the price per ounce is about 91 cents.
subprocess (plural subprocesses) A process that is part of a larger overall process.
Using the subprocess ModuleÂ¶. The recommended approach to invoking subprocesses is to use the run() function for all use cases it can handle. For more advanced use cases, the underlying Popen interface can be used directly.