How to Use the String join() Method in Python

This tutorial will take you through how to use the join() method to combine multiple strings in the Python programming language. We touch on using several different iterable data types such as sets, dictionaries, tuples, and lists.

The join method makes it easy to combine multiple strings stored within an iterable such as tuples, lists, sets, and dictionaries. In addition, you can set characters to be used as a separator, such as a space or a dash.

There are many more methods that you can use to manipulate strings within Python. For example, you can use the split method to split a string based on a specified separator.

The tutorial below will touch on the syntax of the join method and the various iterables you can use with join. For example, we will touch on using a join with a list, dictionary, set, or tuple.

Syntax of the Python join() Method

The syntax of the join method is straightforward as it only has a single parameter. We will briefly explain each part of the method below.

string.join(iterable)

• The string is the separator to use between each string. You will likely use a space, but any combination of characters will work.
• You will need to use an iterable as the argument. For example, a dictionary, list, tuple, or set will work. However, ensure that the iterable contains string values; otherwise, a TypeError exception may be thrown.

The return value will be a string containing all the values of the iterable, with each value separated by our defined separator.

Examples of Using the join() Method in Python

To demonstrate how the join() method works, we will go through a few different examples using a range of different data types.

You can run each of the examples on your local machine, as long as you have Python installed. You can install Python on Raspberry Pi.

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