At the beginning of the code, we are creating 4 new empty lists to hold the material, labor, and overhead costs, as well as the project benefit. We will use these lists in the for loop which produces the report. Note: Lines marked in green should be typed in on a single line. They are wrapped here for formatting reasons but need to be on a single line in the Python editor.

Answer rating: 100% (QA)

ANSWER It seems like you want to clarify the purpose of creating four empty lists at the beginning ... View the full answer