Range operators (.. and ...) in Ruby - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a range from 1 to 5 inclusive.

Ruby

range = 1 [1] 5
puts range.to_a

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

A..

B...

C+

D-

Attempts:

3 left

💡 Hint

Common Mistakes

Using the exclusive range operator (...) which excludes the last number.

Using arithmetic operators like + or - instead of range operators.

The .. operator creates a range including the end value.

2fill in blank

medium

Complete the code to create a range from 1 to 5 excluding 5.

Ruby

range = 1 [1] 5
puts range.to_a

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

A..

B...

C-

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using the inclusive range operator (..) which includes the last number.

Using arithmetic operators like + or - instead of range operators.

The ... operator creates a range excluding the end value.

3fill in blank

hard

Fix the error in the code to create a range from 'a' to 'e' inclusive.

Ruby

letters = 'a' [1] 'e'
puts letters.to_a

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

A..

B+

C-

D...

Attempts:

3 left

💡 Hint

Common Mistakes

Using the exclusive range operator (...) which excludes the last letter.

Using arithmetic operators instead of range operators.

Use the inclusive range operator .. to include 'e' in the range.

4fill in blank

hard

Fill both blanks to create a range from 10 to 20 excluding 20 and print its array.

Ruby

range = 10 [1] 20
puts range.[2].to_a

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

A...

B..

Cto_a

Dto_s

Attempts:

3 left

💡 Hint

Common Mistakes

Using inclusive range operator (..) which includes 20.

Using to_s instead of to_a to convert the range.

Use the exclusive range operator ... to exclude 20, and to_a to convert the range to an array.

5fill in blank

hard

Fill all three blanks to create a range from 'm' to 'r' inclusive, convert it to an array, and print it.

Ruby

letters = 'm' [1] 'r'
array = letters.[2]
puts array.[3]

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

A..

Bto_a

Cjoin

D...

Attempts:

3 left

💡 Hint

Common Mistakes

Using exclusive range operator (...) which excludes 'r'.

Forgetting to convert the range to an array before joining.

Using puts directly on the range without conversion.

Use .. for inclusive range, to_a to convert to array, and join to print as a string.