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Python for Loop

Python Tutorial

Introduction

Python Data Types & Oper...

Python Strings

Python Lists

Python Tuples

Python Sets

Python Dictionaries

Conditional Statements

Python Loops

Python Functions

Python Modules

Python OOPS

Advanced Topics

File Handling

Edit Template

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Python for Loop

for Loop in Python

In many situations, we need to run a group of statements repeatedly. This is where loops come in. Python supports multiple types of loops, and one of the most commonly used is the for loop.

The for loop is ideal when you’re working with things like strings, lists, tuples, sets, or dictionaries—any data you can iterate over.

Looping Through a String

You can use a for loop to go through each character in a string:

				
					name = 'Arshyan'
for letter in name:
    print(letter, end=", ")

Output:

				
					A, r, s, h, y, a, n,

Looping Through a Tuple

				
					colors = ("Red", "Green", "Blue", "Yellow")
for color in colors:
    print(color)

Output:

				
					Red
Green
Blue
Yellow

You can apply the same logic to lists, sets, and even dictionaries.

Using range() with a for Loop

Sometimes, we want the loop to run a specific number of times without using an existing sequence. That’s when range() becomes helpful.

Example 1: Looping from 0 to 4

				
					for i in range(5):
    print(i)

Output:

Example 2: Custom Start and Stop Values

				
					for i in range(4, 9):
    print(i)

Output:

Summary

Use for loops to repeat actions over sequences (like strings or lists).
Use range() to loop a specific number of times.
range(start, stop) gives numbers from start up to—but not including—stop.