Python iter() method

Python iter() method is a built-in method that allows to create an iterator from an iterable. An iterator is an object that enables us to traverse through a collection of items one element at a time. Let’s start by understanding how iter() works with a simple example.

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Syntax of iter() method

iterator = iter(iterable)

Parameters

• iterable: Any object capable of returning its elements one at a time. Examples include lists, tuples, dictionaries, and strings.

Return Type

• Returns an iterator object that can be used with the next() function or a for loop to access the elements sequentially.

Examples of iter() Method

Using iter() with String

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Using iter() with Dictionary

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Using iter() with Callable and Sentinel