Which two statements describe the design principle of unity?? a. uses opposing elements to draw attention to a specific message.
b. assigns relationships between elements based on their size.
c. conveys a consistent message to users.
d. is a point around which elements mirror each other.
e. displays order in its layout, style, and structure.​

Afile named data. txt contains an unknown number of lines, each consisting of a single integer. write some code that creates two files, dataplus. txt and dataminus. txt, and copies all the lines of data1.txt that have positive integers to dataplus. txt, and all the lines of data1.txt that have negative integers to dataminus. txt. zeros are not copied anywhere.