Enqueue Operation in DSA Python - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add an element to the end of the queue.

DSA Python

queue = [1, 2, 3]
queue.[1](4)
print(queue)

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

Aappend

Bpop

Cinsert

Dremove

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop removes an element instead of adding.

Using insert requires an index and adds at that position.

The append method adds an element to the end of the list, which simulates enqueue in a queue.

2fill in blank

medium

Complete the code to enqueue the value 10 into the queue.

DSA Python

queue = []
value = 10
queue.[1](value)
print(queue)

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

Apop

Bremove

Cappend

Dinsert

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop or remove which remove elements.

Using insert without specifying index.

To add a value to the end of the queue, use append.

3fill in blank

hard

Fix the error in the enqueue operation to add 5 to the queue.

DSA Python

queue = [1, 2, 3]
queue.[1](5)
print(queue)

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

Apop

Bappend

Cremove

Dinsert

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop or remove instead of append.

Using insert without index.

The correct method to add an element at the end is append. Using pop or remove removes elements instead.

4fill in blank

hard

Fill both blanks to enqueue the value 7 into the queue and then print it.

DSA Python

queue = [4, 5, 6]
queue.[1]([2])
print(queue)

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

Aappend

Bpop

C7

Dremove

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop or remove which remove elements.

Not providing the value to add.

Use append to add the value 7 to the queue.

5fill in blank

hard

Fill both blanks to enqueue the uppercase string 'HELLO' into the queue and then print it.

DSA Python

queue = ['a', 'b', 'c']
value = 'hello'
queue.[1](value[2]) 
print(queue)

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

Aappend

B.upper()

D.pop()

Attempts:

3 left

💡 Hint

Common Mistakes

Using pop instead of append.

Forgetting to convert to uppercase.

Adding extra characters in print.

Use append to add the value. Convert value to uppercase with .upper(). Print the queue as is.