Python -- Conditionals (If, Else, Elif)

Question 1

Ask the user their age, and if it is over or equal to 18, tell them that they are grown up. If under 18, tell them that they are still a child.

Answer 1

user_num = int(input(‘Enter your age: ‘))

if user_num >= 18:
print(‘You are an adult now!’)
else:
print(‘Sorry, you are still a child’)

Question 2

language == ‘JavaScript’

if language == ‘Java’:
print(‘Language is Java’)
elif language == ‘Python’:
print(‘Language is Python’)
else:
print(‘No Match’)

What does this code evaluate?

Answer 2

No Match

Question 3

In the ‘and’ operator, how many ways can there be for it to evaluate to true?

Answer 3

1

Question 4

user = ‘Admin’
logged_in = False

if user == ‘Admin’ and logged_in:
print(‘Successfully logged in!’)
else:
print(‘Hacker Alert!)

What does this code evaluate?

Answer 4

Hacker Alert!

Question 5

user = ‘Admin’
logged_in = False

if user == ‘Admin’ or logged_in:
print(‘Successfully logged in!’)
else:
print(‘Hacker Alert!’)

What does this code evaluate?

Answer 5

Successfully logged in!

Question 6

In the ‘or’ operator, how many ways can there be for it to evaluate to true?

Answer 6

As long as there is a true, it will be true

Question 7

user = ‘Admin’
logged_in = False

if not logged_in:
print(‘Please log in!’)
else:
print(‘Welcome!’)

Answer 7

Please log in!

Question 8

What is the ‘not’ operator?

Answer 8

‘not’ switches a true to false, so if something is false, then if you say that thing and ‘not’, it will become true.

Question 9

a = [1, 2, 3]
b = [1, 2, 3]
print(a == b)

What does this code evaluate?

Answer 9

True

Question 10

a = [1, 2, 3]
b = [1, 2, 3]
print(a is b)

What does this code evaluate?

Answer 10

False

Question 11

What does the ‘is’ operator do?

Answer 11

It checks if the two objects have the same ID

Question 12

What are the most common ways to test for False?

Answer 12

• False
• None
• Zero of any numeric type
• Any empty sequence (e.g. ‘’, [] )
• Any empty mapping (e.g. {})