Go compilation and execution flow - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to print "Hello, Go!" to the console.

Go

package main

import "fmt"

func main() {
    fmt.[1]("Hello, Go!")
}

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

APrint

BPrintln

CPrintf

DPrintfln

Attempts:

3 left

💡 Hint

Common Mistakes

Using Print instead of Println will not add a new line.

Using Printfln is not a valid function.

The fmt.Println function prints the text followed by a new line.

2fill in blank

medium

Complete the code to declare a variable named "count" of type int with value 10.

Go

package main

func main() {
    var count [1] = 10
}

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Astring

Bbool

Cint

Dfloat64

Attempts:

3 left

💡 Hint

Common Mistakes

Using string type for a number value.

Using float64 when an integer is enough.

The variable count is declared as an integer using int.

3fill in blank

hard

Fix the error in the code to correctly compile and run.

Go

package main

[1] "fmt"

func main() {
    fmt.Println("Go is fun!")
}

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

Aimport

Bpackage

Cfunc

Dvar

Attempts:

3 left

💡 Hint

Common Mistakes

Using package instead of import.

Trying to declare fmt as a variable.

The import keyword is used to include packages in Go.

4fill in blank

hard

Fill both blanks to create a map from string to int with two entries.

Go

package main

func main() {
    scores := map[string][1]{
        "Alice": [2],
        "Bob": 90,
    }
}

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

Aint

B85

Cstring

D100

Attempts:

3 left

💡 Hint

Common Mistakes

Using string as value type instead of int.

Using a string value for Alice's score.

The map keys are strings and values are integers. Alice's score is 85.

5fill in blank

hard

Fill all three blanks to define a function that returns the sum of two integers.

Go

package main

func [1](a, b [2]) [3] {
    return a + b
}

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

Aadd

Bint

Dsum

Attempts:

3 left

💡 Hint

Common Mistakes

Using different types for parameters and return.

Using a function name that does not match the action.

The function named add takes two integers and returns an integer sum.