![]() Positional arguments are inserted into the template in place of numbered replacement fields. For now, the two sections that follow will show you how these are used with the Python. ![]() You’ll learn more about positional and keywords arguments there in the next tutorial in this introductory series, which explores functions and argument passing. format() Method in Python to Format a String With Keyword Arguments Each keyword value is inserted into the template in place of its corresponding replacement field: Using The String. ![]() These fields specify keywords that correspond to the keyword arguments quantity=6, item='bananas', and price=1.74. format() goes well beyond in versatility. It’s similar in many ways to the string modulo operator, but. format() method was introduced in version 2.6. If you’ve encountered strange-looking string format code and want to know more, or you need to work with older versions of Python, then it’s a good idea to learn about the other techniques as well. If you’re getting started with Python and you’re looking for a single way to format your strings, then stick with Python 3’s f-Strings. Older techniques are kept around to ensure backward compatibility, and some even have specific use cases. The different string formatting techniques have developed historically over the years that Python has existed and grown. There should be one– and preferably only one –obvious way to do it. You might notice that there are a lot of different ways to format strings in Python, which breaks with one of Python’s very own mantras: You won’t cover either of these techniques in this tutorial, but you’ll want to read up on the string modulo operator if you have to work with code written in Python 2. A related technique, the string modulo operator, provides more or less the same functionality. Note: There’s a standard module called string containing a class called Template, which also provides some string formatting through interpolation.
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