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Apprendre Comments | The basics
Learn Python from Scratch

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Comments

Before moving further, quick thing to learn: comments. Comment is a part of code which is not executed (ignored by the program). Comments are used as notes that developers leave for themselves or other users.

In Python there are single-line comments and multi-line comments (used less often).

Single-line comment start with symbol #. If placed at the beggining of the line entire line is ignored.

12
# this is a comment that I left as a note for myself print("Hello, World!")
copy

Comments can be placed at any position of any line. Anything before # sign will be executed, anything after # sign will be ignored.

1
print("Hello, world!") # Comments can be very helpful
copy

You can switch certain lines of code off by just placing a # sign (turning it into a comment).

12
# print("Hello, Mary!") print("Hello, Jane!")
copy
Tâche

Swipe to start coding

Switch off second ling of code by turning it into a comment.

Solution

Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
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Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

Section 1. Chapitre 4
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Comments

Before moving further, quick thing to learn: comments. Comment is a part of code which is not executed (ignored by the program). Comments are used as notes that developers leave for themselves or other users.

In Python there are single-line comments and multi-line comments (used less often).

Single-line comment start with symbol #. If placed at the beggining of the line entire line is ignored.

12
# this is a comment that I left as a note for myself print("Hello, World!")
copy

Comments can be placed at any position of any line. Anything before # sign will be executed, anything after # sign will be ignored.

1
print("Hello, world!") # Comments can be very helpful
copy

You can switch certain lines of code off by just placing a # sign (turning it into a comment).

12
# print("Hello, Mary!") print("Hello, Jane!")
copy
Tâche

Swipe to start coding

Switch off second ling of code by turning it into a comment.

Solution

Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
Tout était clair ?

Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

close

Awesome!

Completion rate improved to 2.33

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