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  1. 123

    Inserting variables into strings in Python can be done using several methods. Here are the most common and efficient ways:

    Using f-strings (Python 3.6+)

    F-strings provide a concise and readable way to embed variables directly within strings.

    name = "Alice"
    age = 30
    message = f"Hello, {name}! You are {age} years old."
    print(message) # Output: Hello, Alice! You are 30 years old
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    Using the str.format() Method

    The str.format() method allows you to insert variables into strings using curly braces {} as placeholders.

    name = "Bob"
    age = 25
    message = "Hello, {}! You are {} years old.".format(name, age)
    print(message) # Output: Hello, Bob! You are 25 years old
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    Using the % Operator

    The % operator is an older method for string formatting but still widely used.

    name = "Charlie"
    age = 22
    message = "Hello, %s! You are %d years old." % (name, age)
    print(message) # Output: Hello, Charlie! You are 22 years old
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    Using String Concatenation

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  2. PyTutorial
    https://pytutorial.com › python-variable-in-stringこの結果を翻訳する

    Python: Add Variable to String & Print Using 4 Methods - PyTutorial

    Learn 4 Python methods to add variables to strings: concatenation, % operator, .format (), and f-strings. Master string manipulation for your Python projects.
    String Concatenation

    String concatenationis the process of combining two or more strings into a single string. We can use this method to add a variable to a string. Here is an example: Output: Please keep in mind that you may get a TypeErrorif your variable is a number…

    % Operator

    The %soperator can also be used to add a variable to a string. Output: The good thing about this method is that if the variable is a number, it is unnecessary to convert it. In addition, you can insert multiplevariables into a string. Output: To add the integer va…

    The .Format

    The str.format() method in Python is used for string formatting and is an alternative to the older %operator for string interpolation. The following example shows how to use The str.format()method to add variables to a string; Output: You can also …

    F-strings

    In my opinion, the most understandable way to insert a variable into a string is by using f-strings. Let's look at how it works. Output: Please remember that the f-string method is only compatible with Python 3.6or higher.

  3. GeeksForGeeks
    https://www.geeksforgeeks.org › python › insert-a...この結果を翻訳する

    Insert a Variable into a String - Python - GeeksforGeeks

    2025年7月23日 · For example, if we have a variable containing the word "Hello" and another containing "World", we want to combine them into a single string like "Hello World". Let's explore the different …

  4. Stack Overflow
    https://stackoverflow.com › questionsこの結果を翻訳する

    python - Insert variable values into a string - Stack Overflow

    This method of string formatting is the new standard in Python 3.0, and should be preferred to the % formatting described in String Formatting Operations in new code.

    コード サンプル

    data = self.cmd("r.out.gdal in=rdata out=geo{0}.tif".format(i))
    self.dataOutTIF.setValue("geo{0}.tif".format(i))
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    How to insert a variable value in a string in python
    python - How do I put a variable’s value inside a string (interpolate ...
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  5. Python Guides
    https://pythonguides.com › create-a-strin…この結果を翻訳する

    How To Insert A Python Variable Into A String?

    2024年10月7日 · Learn how to insert a Python variable into a string with easy-to-follow examples and methods. Master string interpolation in Python today!

  6. Built In
    https://builtin.com › articles › python-vari…この結果を翻訳する

    How to Insert a Python Variable in a String - Built In

    2025年7月31日 · There are times when you’ll need to include a variable or non-string data type into a string in Python. It can be a confusing process, so I’ve …

  7. W3School
    https://www.w3schools.com › python › python_ref_string.aspこの結果を翻訳する

    Python String Methods - W3Schools

    46 行 · Python has a set of built-in methods that you can use on strings. Note: All string methods returns new values. They do not change the original string. ... Note: All string methods returns new values. …

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  9. Codegenes
    https://www.codegenes.net › blog › how-to-put-a...この結果を翻訳する

    How to Put a Variable in a String in Python — codegenes.net

    2025年11月14日 · In Python, it is a common requirement to include variables within strings. This is useful for creating dynamic text, logging messages, generating reports, and much more. Python …

  10. agirlamonggeeks.com
    https://agirlamonggeeks.com › how-to-pass-variable...この結果を翻訳する

    How Do You Pass a Variable Inside a String in Python?

    Learn how to pass variables in strings in Python with easy-to-follow examples and tips. Master different methods like f-strings, format (), and concatenation to create dynamic and readable code.

  11. coderivers.org
    https://coderivers.org › blog › python-var-in-stringこの結果を翻訳する

    Python Variables in Strings: A Comprehensive Guide

    2025年4月6日 · Whether you are building simple scripts or complex applications, the ability to insert variable values into text messages, log statements, or formatted outputs is essential. This blog post …

  12. importpython.com
    https://importpython.com › how-to-put-a …この結果を翻訳する

    How To Put A Variable In A String Python? A Developer's …

    2024年12月3日 · Discover the art of embedding variables in Python strings with this comprehensive guide. Learn basic concatenation, string formatting, and the …

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