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Python Data Structures Week 1 Quiz Answers

Chapter Six: Strings

Question 1) What does the following Python Program print out?

1234str1 = "Hello"
str2 = 'there'
bob = str1 + str2print(bob)

• Hello
• Hellothere
• Hello there
• there
• Hello

Question 2) What does the following Python program print out?

x = '40'
y = int(x) + 2
print(y)

• x2
• 402
• 42
• int402

Question 3) How would you use the index operator [] to print out the letter q from the following string?

x = 'From [email protected]'

• print(x[9])
• print(x[8])
• print(x[7])
• print x[-1]
• print(x[q])

Question 4) How would you use string slicing [:] to print out ‘uct’ from the following string?

x = 'From [email protected]'

• print(x[15:3])
• print(x[14/17])
• print(x[14:3])
• print(x[15:18])
• print(x[14+17])
• print(x[14:17])

Question 5) What is the iteration variable in the following Python code?

for letter in 'banana' :
print(letter)

• print
• in
• ‘banana’
• for
• letter

Question 6) What does the following Python code print out?

print(len('banana')*7)

• 42
• -1
• banana7
• banana banana banana banana banana banana banana

Question 7) How would you print out the following variable in all upper case in Python?

greet = ‘Hello Bob’

• puts(greet.ucase);
• print(uc($greet));
• print(greet.upper())
• print(greet.toUpperCase());

Question 8) Which of the following is not a valid string method in Python?

• join()
• shout()
• split()
• startswith()

Question 9) What will the following Python code print out?

data = 'From [email protected] Sat Jan  5 09:14:16 2008'
pos = data.find('.')
print(data[pos:pos+3])

• uct
• 09:14
• .ma
• mar

Question 10) Which of the following string methods removes whitespace from both the beginning and end of a string?

• wsrem()
• strtrunc()
• strip()
• split()