Python String join() Method

Syntax of Python join() Function

The syntax for the Python join() Function is as follows:

StringSeperator.join(iterable)

Python join() Parameters

Python join() parameter consists of a single parameter,

• iterable: The iterable can be of any type, including Tuple, List, Set, String, and Dictionary.

Return Value of join() in Python

The return value of join() in Python is of type String. It returns a string after the concatenation of all elements of iterable.

String join() in Python Examples

In this section we will discuss some examples of String join() in Python.

The join() method with sets

• Python

Python

set_1 = {'Maths', 'Physics', 'Chemistry'}
separator = '+'
print(separator.join(set_1))

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Output

Explanation

In the above example, set_1 contains the element of a set that are concatenated with “+” which acts as the string separator.

The join() method with dictionaries

• Python

Python

Dict_1 = {'X': 1, "Y": 2}
separator = '->'
print(separator.join(Dict_1))

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Run Code

Output

Explanation

In the above example, the join() method joins the keys with the separator and ignores the values of the dictionary.

Frequently Asked Questions 

What is Join() in Python?

Join in Python is an inbuilt string function. It is used to join sequence elements separated by a string separator. The job of the merge function is to join the elements of a sequence and make it a string. 

What does join() do in code?

The join() method concatenates elements of an iterable (like a list or tuple) into a single string, using a specified separator.

Conclusion

This blog covered the Join in python. It introduced the concept of join() function in Python and explained its syntax, Parameters, and Return Value. We hope you are now familiar with this topic of Join in Python. Eager to learn more? Refer to our other blogs-

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