How Do I Effectively Format Strings in Python?

String Formatting in Python

When working with strings, there may be instances where you desire to format or insert values into a string. One method is to use the % formatting approach, which is being phased out in Python 3.0 .

A more recommended method for Python 2.6 is to use the string format method. This modern approach provides advanced features, but its simplest form closely resembles the % formatting method.

For example, if you want to create a string like "[1, 2, 3]" using string.format(), the syntax would be:

"[{}, {}, {}]".format(1, 2, 3)

Output:

[1, 2, 3]

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