PYTHON MULTI CHOICE QUESTIONS

1a) What is the value of names after the following code segment has run?

names = [] names.append("Amy") names.append("Bob") names.append("Peg") names[0] = "Cy" names.insert(0, "Ravi") 

['Ravi', 'Cy', 'Amy', 'Bob', 'Peg']

['Cy', 'Amy', 'Bob', 'Peg']

['Ravi', 'Cy', 'Bob', 'Peg']

['Ravi', 'Amy', 'Bob', 'Peg']

1b) What is the value of the variable indexValue after the following code snippet runs?

states = ["Alaska", "Hawaii", "Florida", "Maine", "Ohio", "Florida"] indexValue = states.index("Pennsylvania") 

1c) Which statement(s) allows us to initialize the list numbers with 10 elements all set to zero?

numbers = [0]

numbers[10] = 0

numbers = [0] * 10

numbers[10] = [0] * 10

1d) What is the resulting content of the list letters after this code snippet?

letters = list("abcdefg") 

letters contains a list with the contents: ["a", "b", "c", "d", "e", "f", "g"]

letters contains a list with the contents: ["abcdefg"]

Invalid Type Error

letters contains a list with the contents: ("abcdefg")

1e) Which of the following code segments will result in values containing the list ["Hydrogen", "Helium", "Lithium"]?

values = [] values.append("Lithium") values.append("Helium") values.append("Hydrogen")

values = [] values.append("Hydrogen") values.append("Helium") values.append("Lithium")

values = ["Hydrogen"] values.append("Helium", "Lithium")

values = [] values.append(["Hydrogen", "Helium", "Lithium"])

1f) Lists are mutable. The elements of a list might be immutable types (like int, string, float).

-True

-False

1g) A list is a heterogeneous compound type, allowing elements of mixed types to be part of the same list object.

-True

-False

1h) Assume the following statement appears in a program:

mylist = [] 

Which of the following statements would you use to add the string 'Labrador' to the list at index 0?

-mylist[0] = 'Labrador'

-mylist.insert(0, 'Labrador')

-mylist.append('Labrador')

-mylist.insert('Labrador', 0)