Keyword arguments in Ruby - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a method that accepts a keyword argument named name.

Ruby

def greet([1]:)
  puts "Hello, #{name}!"
end

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

Aage

Bgreeting

Cmessage

Dname

Attempts:

3 left

💡 Hint

Common Mistakes

Using a positional argument instead of a keyword argument.

Naming the keyword argument differently than used inside the method.

The method parameter must be named name as a keyword argument to match the usage inside the method.

2fill in blank

medium

Complete the code to call the greet method with the keyword argument name set to "Alice".

Ruby

greet([1]: "Alice")

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

Aname

Bage

Cgreeting

Dmessage

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the argument without the keyword.

Using a wrong keyword name.

The method expects a keyword argument named name, so we must pass name: "Alice".

3fill in blank

hard

Fix the error in the method definition to provide a default value for the keyword argument name.

Ruby

def greet([1]: "Guest")
  puts "Hello, #{name}!"
end

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

Aname =

Bname=

Cname

Dname:

Attempts:

3 left

💡 Hint

Common Mistakes

Using name= or name = instead of name.

Omitting the colon after the keyword argument name.

Keyword arguments use a colon after the name, and default values are assigned after the colon.

4fill in blank

hard

Fill both blanks to define a method that accepts two keyword arguments, name and age, with default values.

Ruby

def info([1]: "Unknown", [2]: 0)
  puts "Name: #{name}, Age: #{age}"
end

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

Aname

Bage

Cname:

Dage:

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting the colon after the keyword argument names.

Using equals sign instead of colon for keyword argument names.

Keyword arguments must have a colon after the name. Both name and age are correct syntax.

5fill in blank

hard

Fill all three blanks to call the info method with keyword arguments name set to "Bob" and age set to 25, and print the result.

Ruby

info([1]: "Bob", [2]: [3])

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

Aname

Bage

C25

D30

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong keyword names.

Passing age as a string instead of a number.

The method expects keyword arguments name and age. We pass name: "Bob" and age: 25.