Ruby style guide essentials - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a method named greet.

Ruby

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

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

Ahello

Bsay_hello

Cgreet

Dgreeting

Attempts:

3 left

💡 Hint

Common Mistakes

Using camelCase instead of snake_case for method names.

Using a method name different from 'greet'.

The method name should be greet as specified.

2fill in blank

medium

Complete the code to create a symbol for the key :age.

Ruby

person = { [1] => 30 }

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

A'age'

B"age"

Cage

D:age

Attempts:

3 left

💡 Hint

Common Mistakes

Using strings instead of symbols for hash keys.

Omitting the colon before the symbol name.

Symbols in Ruby start with a colon, like :age.

3fill in blank

hard

Fix the error in the code by completing the conditional statement.

Ruby

if number [1] 10
  puts "Number is less than 10"
end

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

A=>

B<

C==

D=>=

Attempts:

3 left

💡 Hint

Common Mistakes

Using assignment operator => instead of comparison.

Using equality operator == which checks for equality, not less than.

The less than operator is < to compare if number is smaller than 10.

4fill in blank

hard

Fill both blanks to create a loop that prints numbers 1 to 5.

Ruby

(1[1]5).each do |i|
  puts i
[2]

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

A..

Bend

Cuntil

Dfor

Attempts:

3 left

💡 Hint

Common Mistakes

Using until instead of a range.

Forgetting to close the block with end.

The range operator .. creates numbers from 1 to 5, and end closes the block.

5fill in blank

hard

Fill all three blanks to create a hash with keys as symbols and values as strings.

Ruby

person = { [1]: [2], [3]: "Developer" }

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

Aname

B"Alice"

Cage

D"30"

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around keys.

Not quoting string values.

Keys are symbols without quotes, values are strings with quotes.