1. What is the regular expression for matching any character that is NOT the letter A?

	a.	[^a]
	b.	[!a]
	c.	[^A]
	d.	[!A]

2.

Which of the following Unix utilities do not take regular expressions as argument?

	a.	grep
	b.	egrep
	c.	fgrep
	d.	sed

3.

The metacharacters \< and \> are used as anchors to respectively match

	a.	the beginning and end of a line
	b.	the beginning and end of a word
	c.	the beginning and end of a list
	d.	the beginning and end of a regular expression pattern

4.

Within a regular expression, the metacharacter [[:alpha:]] matches

	a.	any character
	b.	whitespace
	c.	uppercase and lowercase letters
	d.	any word

5.

What does the following code display?

name = 'Zoe'

print(name.lower())

print(name.upper())

print(name)

6.

What will the following code display?

dct = {'Monday':1, 'Tuesday':2, 'Wednesday':3}

print(dct.get('Thursday', 'Not Found'))

7.

After the following code executes, what elements will be members of set3?

set1 = set([10, 20, 30, 40])

set2 = set([40, 50, 60])

set3 = set1.union(set2)