Python introduction

What command will display the text 'Hello world!' on the screen?

• print(Hello world!)

• print "Hello world!"

• print("Hello world!")

• print = "Hello world!"

What command will ask the user his/her age correctly?

• age = input("How old are you?")

• age = input(How old are you?)

• input("How old are you?") = age

• how_old_are_you = input()

What function will convert a number to a string?

• int()

• str()

• chr()

• ord()

What is the result of this command: print ("5" + "3")

• 8

• "8"

• "5" + "3"

• 53

Which function will convert a string containing only digits to a number?

• int()

• srt()

• chr()

• ord()

Which conditional statement will be executed if the variable x is less than 20?

• if x > 20:

• if x <> 20:

• if x == 20:

• if x < 20:

Which of these tests checks if the variable x is the same as 'Hello'?

• x = "Hello"

• x != "Hello"

• x == "Hello"

• x <> "Hello"

What is the effect of the # character?

• It tells Python that this is a very important line of code.

• It tells Python to ignore the rest of the line.

• It tells Python to tweet when this line of code is executed.

• It does nothing. Python ignores this character

What is a variable (in Python)

• A data "storage" that you can change

• A data "storage" that you cannot change

• A coding technique

• A special file

What does the "input()" function do?

• Allows users to change the program

• Converts data types

• Allows users to solve a task

• Allows users to enter data