Multiple return values in Go - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to return two values from the function.

Go

func getValues() (int, string) {
    return [1], "hello"
}

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

A5

B"five"

Chello

Dtrue

Attempts:

3 left

💡 Hint

Common Mistakes

Returning a string instead of an integer as the first value.

Returning only one value instead of two.

The function returns an integer and a string. The first return value should be an integer like 5.

2fill in blank

medium

Complete the code to assign multiple return values to variables.

Go

func main() {
    a, b := getValues()
    fmt.Println(a, [1])
}

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

Ab

Bc

C"b"

Da

Attempts:

3 left

💡 Hint

Common Mistakes

Printing variable a twice.

Using a string "b" instead of variable b.

The second returned value is stored in variable b, so we print b.

3fill in blank

hard

Fix the error in the function signature to return two values.

Go

func calculate() [1] {
    return 10, 20
}

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

Aint

Bint int

Cint, int

D(int, int)

Attempts:

3 left

💡 Hint

Common Mistakes

Writing multiple types without parentheses.

Using invalid syntax like 'int int'.

In Go, to return multiple values, you use parentheses around the types: (int, int).

4fill in blank

hard

Fill both blanks to declare and assign multiple return values correctly.

Go

func main() {
    [1], [2] := getValues()
    fmt.Println(a, b)
}

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

Aa

Bb

Cc

Dd

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same variable name twice.

Using variables not matching the print statement.

The variables a and b receive the two return values from getValues().

5fill in blank

hard

Fill all three blanks to create a function that returns three values and assign them.

Go

func getThree() (int, string, bool) {
    return [1], [2], [3]
}

func main() {
    x, y, z := getThree()
    fmt.Println(x, y, z)
}

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

A7

B"seven"

Ctrue

Dfalse

Attempts:

3 left

💡 Hint

Common Mistakes

Returning values in wrong order.

Using false instead of true.

The function returns an int 7, a string "seven", and a bool true.