In the following code to insert an item in an array, what is the missing code?
for x in range(logicalSize, targetIndex, -1): myArray[x] = myArray[x - 1]a[targetIndex] = newItem

A. targetIndex += 1
B. targetIndex -= 1
C. logicalSize += 1
D. logicalSize -= 1

Answer: C

Computer Science & Information Technology

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Type the command cd ~ and describe what happens. Why did this happen?

Create and change directories. a. Type pwd at the prompt. 

[analyst@secOps ~]$ pwd
/home/analyst
b. Navigate to the /home/analyst directory if it is not your current directory. Type cd /home/analyst 
[analyst@secOps ~]$ cd /home/analyst
c. Type ls -l at the command prompt to list the files and folders that are in the current folder. Standing for list, the -l option displays file size, permissions, ownership, date of creation and more. 
[analyst@secOps ~]$ ls -l
total 20
drwxr-xr-x 2 analyst analyst 4096 Sep 26 2014 Desktop
drwx------ 3 analyst analyst 4096 Jul 14 11:28 Downloads
drwxr-xr-x 8 analyst analyst 4096 Jul 25 16:27 lab.support.files
drwxr-xr-x 2 analyst analyst 4096 Mar 3 15:56 second_drive
-rw-r--r-- 1 analyst analyst 254 Aug 16 13:38 space.txt
d. In the current directory, use the mkdir command to create three new folders: cyops_ folder1, cyops_folder2, and cyops_folder3. Type mkdir cyops_folder1 and press Enter. Repeat these steps to create cyops_folder2 and cyops_folder3. 
[analyst@secOps ~]$ mkdir cyops_folder1
[analyst@secOps ~]$ mkdir cyops_folder2
[analyst@secOps ~]$ mkdir cyops_folder3
[analyst@secOps ~]$
e. Type ls -l to verify that the folders have been created: 
[analyst@secOps ~]$ ls -l
total 32
drwxr-xr-x 2 analyst analyst 4096 Aug 16 15:01 cyops_folder1
drwxr-xr-x 2 analyst analyst 4096 Aug 16 15:02 cyops_folder2
drwxr-xr-x 2 analyst analyst 4096 Aug 16 15:02 cyops_folder3
drwxr-xr-x 2 analyst analyst 4096 Sep 26 2014 Desktop
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-rw-r--r-- 1 analyst analyst 254 Aug 16 13:38 space.txt
f. Type cd /home/analyst/cyops_folder3 at the command prompt and press Enter. 
[analyst@secOps ~]$ cd /home/analyst/cyops_folder3
[analyst@secOps cyops_folder3]$

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