Y9 - T2 - L6 - HOMEWORK

Which of the following statements contain valid Python string literals? Select all that are correct:

• string = "1234"

• string = Hello, world.

• string = 'Hello, world.'

• string = 'We're #1!'

• string = "We're #1!"

Answer explanation

Joining two strings with the + operator is called …

• String concatenation

• Correct

  String slicing

• String indexing

• A string method

Variable names in Python are case-sensitive

• True

• False

A variable name can start with a number.

• True

• False

Fill the code to declare a variable that holds the name of a mobile brand

___________ _ iPhone

• mobileBrand x

• mobileBrand ==

• mobileBrand =

• x mobileBrand

Which of the following are applications of Python?

• Web development

• Machine Learning

• IoT

• All answers are corrrect

Answer explanation

Which operator can be used to compare two values?

• = 

• <>

• ==

• ><

Answer explanation

Which of these collections defines a LIST?

• ["apple", "banana", "cherry"] 

• {"apple", "banana", "cherry"}

• ("apple", "banana", "cherry")

• {"name": "apple", "color": "green"}

Answer explanation

Which statement is used to stop a loop?

• break 

• exit

• return

• top

Answer explanation

We can use break and continue with while loops and they both work exactly the same:

break stops the while loop immediately.

continue stops the current iteration and starts the next one.

Print "Hello World" if a is greater than b.

• if = :

• if > :

• if < :

• if == :

Answer explanation