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Python For Loop can be used to iterate a set of statements once for each item of a sequence or collection. The sequence or collection could be Range, List, Tuple, Dictionary, Set or a String. In this tutorial, we will learn how to implement for loop for each of the above said collections.
We have covered everything that you need to know about for loop in python. You can use for loop to iterate over a sequence of items and start writing your own program. To practice for loop, you can create start patterns, alphabet patterns, and number patterns in python.
In Python, we use a for loop to iterate over various sequences, such as lists, tuples, sets, strings, or dictionaries. The for loop allows you to iterate through each element of a sequence and perform certain operations on it.
Python For Loops. A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string). This is less like the for keyword in other programming languages, and works more like an iterator method as found in other object-orientated programming languages.
In this introductory tutorial, you'll learn all about how to perform definite iteration with Python for loops. You’ll see how other programming languages implement definite iteration, learn about iterables and iterators, and tie it all together to learn about Python’s for loop.
Writing for loops helps reduce repetitiveness in your code, following the DRY (Don't Repeat Yourself) principle. You don't write the same block of code more than once. In this article, we'll get to know the basics of for loops in the Python programming language using different examples.
A for loop in Python has a shorter, and a more readable and intuitive syntax. The general syntax for a for loop in Python looks like this: for placeholder_variable in sequence: # code that does something. Let's break it down: To start the for loop, you first have to use the for keyword. The placeholder_variable is an arbitrary variable. It ...