120-140

How is a method different from a regular function?

• Method is inside a class

• Method takes self as first parameter

• Methods run faster

• Functions are always static

How to add attributes to a class?

• Assign in __init__

• Use self.attribute = value

• Use def keyword

• Use import

What is inheritance in Python?

• A class deriving from another

• Copying a method

• Making global variables

• Running a loop

How to override a parent method?

• Redefine it in child class

• Use override keyword

• Use def twice

• Use import

What is the difference between a class and an object?

• Class is a blueprint

• Object is an instance

• Class is data

• Object defines a class

What is math.floor(0o10)?

• 8

• 10

• 0

• 9

What is returned by int(math.pow(3, 2))?

• 6

• 9

• error, third argument required

• error, too many arguments

Say s = "hello" — what will be the return value of type(s)?

• int

• bool

• str

• String

Which of the following could be a valid dictionary key?

• ('foo', 'bar')

• ['foo', 'bar']

• 'foo'

• (3+2j)

• dict(foo=1, bar=2)

What would be the output of the following code snippet?

• 30.0

• 0

• 15.0

• SyntaxError