Global variables can be used by all functions in a program that are physically placed after the global variable declaration.

Match the tool with the description. Each description is used only once

Disk Management _____ Diskpart _____ Advanced system settings _____ Disk Cleanup _____ A) Used to adjust virtual memory B. Used to defragment the hard drive C. Used to access a command environment to control and manage hard drives D. Used to check the status of a drive

The code for the add method for the ArrayBag class is shown below. What is the missing code? def add(self, item): self.items[len(self)] = item

A. self.items +=1 B. self = self + 1 C. self.size += 1 D. self.len = self.items