Python Tutorial #50 - Custom Iterator in Python Programming for Beginners
Python Tutorial #50 - Custom Iterator in Python Programming for Beginners
In this video by Programming for beginners we will see custom Iterator in Python Programming for Beginners, in Python tutorial for beginners series.
Python programming language is very easy to learn for students and professionals.
Iterators are methods that iterate collections like lists, tuples, etc. Using an iterator method, we can loop through an object and return its elements.
We can use the iter() method to initialize iterator and next() method to go through the iterator.
- Working of for loop for Iterators
Building Custom Iterators
Building an iterator from scratch is easy in Python.
We just have to implement the __iter__() and the __next__() methods:
__iter__() returns the iterator object itself. If required, some initialization can be performed.
__next__() must return the next item in the sequence. On reaching the end, and in subsequent calls, it must raise StopIteration.
Example code.
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Python is a computer programming language often used to build websites and software, automate tasks, and conduct data analysis. Python is a general-purpose language, meaning it can be used to create a variety of different programs and isn't specialized for any specific problems.
It is very important for students and professionals to learn python programming language that will help you to achieve many tasks easily and to build softwares.
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