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 …

Dec 10, 2024 · Python For Loops are used for iterating over a sequence like lists, tuples, strings, and ranges. For loop allows you to apply the same operation to every item within loop. Using For Loop avoid the need of manually managing the index.

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.

In Python programming, we use for loops to repeat some code a certain number of times. It allows us to execute a statement or a group of statements multiple times by reducing the burden of writing several lines of code.

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.

Mar 8, 2025 · Let us learn how to use for loops in Python for sequential traversals with examples. Explanation: This code prints the numbers from 0 to 3 (inclusive) using a for loop that iterates over a range from 0 to n-1 (where n = 4). We can use for loop to iterate lists, tuples, strings and dictionaries in Python.

Jul 27, 2021 · What is a for loop in Python? A for loop can iterate over every item in a list or go through every single character in a string and won't stop until it has gone through every character. Writing for loops helps reduce repetitiveness in your code, following the DRY (Don't Repeat Yourself) principle.

Dec 14, 2010 · In 2.x, range() creates the list of numbers ahead of time, iterates through it, and then throws it away. xrange() (range() in 3.x) creates a special "generator" object that returns the numbers on demand, which is more efficient.

Mar 10, 2025 · To create a Python for loop, you start by defining an iteration variable and the iterable object you want to loop through. The iteration variable temporarily holds each item from the iterable during each loop. Then, inside the loop, you specify the actions you want to perform using this variable.

With a for loop, we can do it in just three lines of code: Let’s dive into the world of for loops in Python, and learn how to code them and what we can do with them. There are two types of loops in Python: while -loops repeat while a certain condition is true and exit once the condition is false.