Comments in Python - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a single-line comment in Python.

Python

#[1] This is a comment

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

A#

B!

C//

D/*

Attempts:

3 left

💡 Hint

Common Mistakes

Using // or /* for comments, which are used in other languages.

Forgetting to put any symbol before the comment text.

In Python, a single-line comment starts with the # symbol.

2fill in blank

medium

Complete the code to write a multi-line comment using triple quotes.

Python

[1]
This is a multi-line comment
in Python.
"""

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

A'''

B"""

C""""

D//

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes instead of triple quotes.

Using four quotes or slashes which are invalid.

Multi-line comments in Python can be written using triple double quotes """ at the start and end.

3fill in blank

hard

Fix the error in the comment syntax.

Python

print('Hello') [1] This is a comment

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

A--

B//

C/*

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using // or /* which are not valid in Python.

Using -- which is not a comment symbol in Python.

Python uses # for comments. Other symbols cause errors.

4fill in blank

hard

Fill both blanks to create a dictionary comprehension with a comment inside.

Python

squares = {x: x[1]2 for x in range(1, 6) if x [2] 2 == 0}  # even squares

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

A**

B+

C%

D//

Attempts:

3 left

💡 Hint

Common Mistakes

Using + instead of ** for power.

Using // instead of % for modulo.

The power operator is ** and the modulo operator is % to check even numbers.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension with a comment and condition.

Python

result = { [1]: [2] for [3], [2] in data.items() if [2] > 0}  # positive values

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

Ak

Bv

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same variable for key and value.

Using undefined variables.

Use k for keys and v for values in dictionary comprehension.