To loop through a set of code a specified number of times, we can use the range() function, The range() function returns a sequence of numbers, starting from 0 by default, and increments by 1 (by default), and ends at a specified number.

Dec 10, 2024 · Python For Loop Syntax. for var in iterable: # statements. pass. Note: In Python, for loops only implement the collection-based iteration. Python For Loop with String. This code uses a for loop to iterate over a string and print each character on a new line. The loop assigns each character to the variable i and continues until all characters in ...

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.

Python’s for loop allows you to iterate over the items in a collection, such as lists, tuples, strings, and dictionaries. The for loop syntax declares a loop variable that takes each item from the collection in each iteration. This loop is ideal for repeatedly executing a block of code on each item in the collection.

Jan 7, 2024 · In this example we will use for loop to iterate over the individual values of list. We declare a variable called numbers and initialize numbers to a list of integers from 1 to 5. next loop through this list and inside the loop calculate the square of num by multiplying it by itself. Output from this script: 1 squared is 1.

Jan 18, 2023 · How to Use the range() Function in a for Loop in Python. If you want to loop through a set of code a specified number of times, you can use Python's built-in range() function. By default, the range() function returns a sequence of numbers starting from 0, incrementing by one, and ending at a number you specify. The syntax for this looks like this:

Apr 8, 2020 · Let’s take a look at how we can combine the for loop with the Python range () function to complete a task a certain number of times: print ('Hello!') You’ll learn more about the Python range() function later in this tutorial, but for now just know that it creates a sequence that is a certain number of items long – in this case five.

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.

Sep 20, 2024 · In Python, the for loop is used to iterate over elements of a sequence (such as lists, strings, tuples, etc.). Unlike languages like C or Pascal, where for loops are used to iterate over a range of numbers, Python's for loop is more versatile, allowing you to iterate over any iterable object, such as lists, dictionaries, and strings.

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.