学ぶ Strings and Concatenation

セクション 1. 章 2

solution.py

main.py

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Understanding how to work with strings and concatenate them is essential in Python. Whether you're analyzing music data or creating dynamic text outputs, mastering strings will enhance your coding skills.

In Python, a string is a sequence of characters enclosed in quotes. Strings can be used to represent anything from song titles to artist names. You can use either single quotes (') or double quotes (") to define a string.

song_title = "Bohemian Rhapsody"
artist = 'Queen'

Concatenation is the process of joining two or more strings together. Think of it like blending different musical notes to create a seamless melody. In Python, you can concatenate strings using the + operator.


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greeting = "Welcome to the "
audience = "concert!"
full_greeting = greeting + audience

print(full_greeting)

Imagine you're creating a music playlist description. You can use string concatenation to dynamically generate sentences based on playlist details.


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song = "Imagine"
artist = "John Lennon"
description = song + " by " + artist + " is a timeless classic."

print(description)

While concatenation is useful, Python also offers more advanced ways to format strings, making your code cleaner and more readable. One popular method is using f-strings (formatted string literals), which allow you to embed expressions inside string literals.

song = "Imagine"
artist = "John Lennon"
description = f"{song} by {artist} is a timeless classic."

タスク

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Complete the track_label function that generates a unique label by combining the artist and track name. This label will be formatted as "track_name by artist", which is useful for organizing and displaying music information in a clear and concise manner.

Inputs:

track_name: A string representing the name of the track.
author: A string representing the name of the artist.

Steps:

Concatenate Strings: Use string concatenation to combine track_name and author into the desired format "track_name by artist".

解答

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セクション 1. 章 2

solution.py

main.py

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