Week 1

How do you comment some code in Python?

• # Commented code

• // Commented code

• /* Commented code */

• You can't comment code in Python

What are the data types available in Python?

• Integer, Float, Complex, String, Boolean, List, Dictionary

• Integer, Float, Complex, String, Boolean, Tuple, Set

• Integer, String, Boolean, List, Dictionary, Tuple, Set

• Integer, Float, Complex, String, Boolean, List, Dictionary, Tuple, Set

What is the built-in function that returns a list of valid attributes of an object?

• type(object)

• dir(object)

• help(object)

• getattr(object)

How do you retrieve the value provided by the user input?

• value = readline()

• value = prompt()

• value = input()

• value = ask()

How do you declare a variable in Python?

• var name = "John"

• name := "John"

• let name = "John"

• name = "John"

After running the following statement, what will be the values of the variables?

>>> given_name, family_name, age = "John", "Doe", 35, "US"

• given_name is "John", family_name is "Doe" and age is 35

• given_name is "John Doe", family_name is 35 and age is "US"

• given_name is "John", family_name is "Doe" and age is the tuple (35, "US")

• An error because there are too many values to unpack

After running the following statement, what will be the value returned?

>>> int(1.789)

• 1

• 1.789

• 0.789

• An error because a float can't be converted to an integer

Given the variables n = 1 and s = "3", what are the correct answer(s)?

• n + s will return 4

• n + int(s) will return 4

• str(n) + s will return 4

• str(n) + s will return "13"

Which of the following statements are valid logical expressions?

• not a in b

• a not in b

• not a is b

• a is not b

After running the following statement, what will be the value returned?

>>> 4.5 // 2

• 2.25

• 2

• 2.0

• An error because a floor division can't be performed between float and an integer