wk6 - quiz.py

Question 1
What does the following Python Program print out?
str1 = "Hello"
str2 = 'there'
bob = str1 + str2
print(bob)
Hello
Hellothere
0
Hello
there

Answer: Hellothere


Question 2
What does the following Python program print out?
x = '40'
y = int(x) + 2
print(y)
42
x2
402
int402

Answer: 42

Question 3
How would you use the index operator [] to print out the letter q from the following string?
x = 'From marquard@uct.ac.za'
print(x[9])
print(x[q])
print(x[-1])
print(x[7])
print(x[8])


Answer: print(x[8])

Question 4
How would you use string slicing [:] to print out 'uct' from the following string?
x = 'From marquard@uct.ac.za'
print(x[14:3])
print(x[14+17])
print(x[15:18])
print(x[14:17])
print(x[14/17])
print(x[15:3])

Answer: print(x[14:17])

Question 5
What is the iteration variable in the following Python code?
for letter in 'banana' :
        print(letter)
for
letter
print
'banana'
in

Answer: letter

Question 6
What does the following Python code print out?
print(len('banana')*7)
-1
banana banana banana banana banana banana banana
0
42

Answer: 42


How would you print out the following variable in all upper case in Python?
greet = 'Hello Bob'

puts greet.ucase;

console.log(greet.toUpperCase());

print(uc($greet);)

print(greet.upper())

Answer: print(greet.upper())

Question 8
Which of the following is not a valid string method in Python?
join()
upper()
twist()
lstrip()

Answer: twist

Question 9
What will the following Python code print out?
data = 'From stephen.marquard@uct.ac.za Sat Jan  5 09:14:16 2008'
pos = data.find('.')
print(data[pos:pos+3])
.ma
mar
Sat
09:14

Answer: .ma

Question 10
Which of the following string methods removes whitespace from both the beginning and end of a string?
strip()
wsrem()
strtrunc()
split()

Answer: strip()