CodeHS Python Unit 7 Quiz Review

What is printed out by this program?

word = "killer whale"

print(word[0:100])

• killer whal

• “killer whale “

• killer whale

• The program will throw an error

What does this function do?

• 1. Returns the same sentence, but replaces every space with the letter char

• Returns the same sentence, but adds the letter char after every space

• Returns the same sentence, but adds the letter char after every letter in the sentence, except for spaces

• Returns the same sentence, but adds the letter char after every letter in the sentence

Which of the following expressions will print “dog”?

Let sentence = "lazy dog"

• print(sentence[6:])

• print(sentence[:])

• print(sentence[:5])

• print(sentence[5:])

Which of the following expressions will print “L”?

Let word = "PINEAPPLE"

• print(word[-4:])

• print(word[-1])

• print(word[-2])

• print(word[-3])

On which line does this program throw an error?

1 word = "killer whale"

2 pos = word.find(" ")

3 word = word + "!"

4 word[pos] = "-"

• Line 1

• Line 2

• Line 3

• Line 4

Which of the following expressions will get the last character in a string? Assume that word is a string variable.

I. word[0]

II. word[-1]

III. word[len(word)]

IV. word[len(word)-1]

• I, II, III

• II, IV

• II, III, IV

• I, IV

Which of the following if statements checks if the string variable sentence contains the word “the”?

• if "t" or "h" or "e" in sentence:

  print("Contains 'the'")

• if "the" in sentence:

  print("Contains 'the'")

• if "the" == sentence:

  print("Contains 'the'")

• if sentence in "the":

  print("Contains 'the'")

What is the value of pos after this function call?

name = "Edsger Wybe Dijkstra"

pos = name.find("Edsger")

• -1

• 0

• E

• 5

What is the output of the following program?

sentence = "the dog"

for letter in sentence:

print(letter + letter)

• t

  h

  e

  d

  o

  g

  t

  h

  e

  d

  o

  g

• t

  h

  e

  d

  o

  g

• tt

  hh

  ee

  dd

  oo

  gg

• The program will cause an error

What does this function do?

• Returns a version of the email address without any symbols in it.

• Returns the address without any leading or trailing whitespace.

• Returns an empty string

• Checks to make sure the email address is valid by checking for ‘@’ in the address. Returns the address without any leading or trailing whitespace.