Print function for output in Swift - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print "Hello, world!".

Swift

print([1])

Drag options to blanks, or click blank then click option'

AHello, world!

B'Hello, world!'

C"Hello, world!"

DHello world

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting the quotes around the text.

Using single quotes instead of double quotes.

In Swift, to print text, you use the print function with the text inside double quotes.

2fill in blank

medium

Complete the code to print the value of the variable name.

Swift

let name = "Alice"
print([1])

Drag options to blanks, or click blank then click option'

Aname

Bprint(name)

C"name"

DName

Attempts:

3 left

💡 Hint

Common Mistakes

Putting quotes around the variable name.

Trying to call print inside print.

To print the value of a variable, just pass the variable name without quotes to print.

3fill in blank

hard

Fix the error in the print statement to correctly print the sum of 5 and 3.

Swift

print([1])

Drag options to blanks, or click blank then click option'

A5 + 3

B"5 + 3"

C5 plus 3

Dsum(5, 3)

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the expression inside quotes.

Using a function sum that does not exist.

To print the sum, write the expression 5 + 3 inside print without quotes.

4fill in blank

hard

Fill both blanks to print the message with the variable age.

Swift

let age = 10
print([1] + [2])

Drag options to blanks, or click blank then click option'

A"Age: "

Bage

C"age"

D10

Attempts:

3 left

💡 Hint

Common Mistakes

Putting the variable age inside quotes.

Using the number 10 instead of the variable.

Use a string "Age: " and the variable age to print them together.

5fill in blank

hard

Fill all three blanks to print the full sentence with name and age.

Swift

let name = "Bob"
let age = 25
print([1] + ", is " + [2] + " years old.")

Drag options to blanks, or click blank then click option'

Aname

Bage

C"Bob"

D"25"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around variables which prints their names, not values.

Using string literals instead of variables.

Use the variable name and age to build the sentence.