Learn Python
learnpython.org › en › Loops
Loops - Learn Python - Free Interactive Python Tutorial
You can save 25% off your Datacamp annual subscription with the code LEARNPYTHON23ALE25 - Click here to redeem your discount · There are two types of loops in Python, for and while.
Python
wiki.python.org › moin › ForLoop
ForLoop - Python Wiki
For loop from 0 to 2, therefore running 3 times. for x in range(0, 3): print("We're on time %d" % (x))
Videos
01:41:51
Python Loops Tutorial | All Loops in Python | For Loop, While Loop, ...
Nested loops in Python are easy
06:35
Python Nested Loops, Visually Explained - YouTube
Learn Python • #6 Loops • How to Repeat Code Execution - YouTube
01:16:40
Python Loops Tutorial | Loops In Python | For Loop, While Loop ...
What are loops in Python, and why should I use them?
Loops in Python allow you to repeat a block of code multiple times. You should use them when you want to perform the same task, like printing or checking items in a list.
wscubetech.com
wscubetech.com › resources › python › loops
Loops in Python: All Types With Examples
What is a for loop in Python?
A for loop in Python is used when you know how many times you want to repeat something. It loops through a list, string, or range directly, unlike a while loop, which depends on a condition.
wscubetech.com
wscubetech.com › resources › python › loops
Loops in Python: All Types With Examples
How does iteration work in a for loop in Python?
A for loop in Python automatically picks each item from a sequence one by one. You don’t need to manage indexes manually. It’s great for looping over lists, strings, or ranges.
wscubetech.com
wscubetech.com › resources › python › loops
Loops in Python: All Types With Examples
W3Schools
w3schools.com › python › python_for_loops.asp
Python For Loops
Python Examples Python Compiler Python Exercises Python Quiz Python Challenges Python Server Python Syllabus Python Study Plan Python Interview Q&A Python Bootcamp Python Certificate Python Training ... A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string).
Simplilearn
simplilearn.com › home › resources › software development › your ultimate python tutorial for beginners › loops in python - if, for, while and nested loops
Loops in Python - If, For, While and Nested Loops
January 30, 2025 - Learn about loops in Python, their types (for, while, nested), and how they work with examples. Master Python loops for efficient programming.
Address 5851 Legacy Circle, 6th Floor, Plano, TX 75024 United States
GeeksforGeeks
geeksforgeeks.org › python › loops-in-python
Loops in Python - GeeksforGeeks
Note: It is suggested not to use this type of loop as it is a never-ending infinite loop where the condition is always true and we have to forcefully terminate the compiler. Python programming language allows to use one loop inside another loop which is called nested loop.
Published June 7, 2017
GeeksforGeeks
geeksforgeeks.org › loops-in-python
Loops in Python - For, While and Nested Loops - GeeksforGeeks
Loops in Python are used to repeat actions efficiently. The main types are For loops (counting through items) and While loops (based on conditions). Additionally, Nested Loops allow looping within loops for more complex tasks. While all the ways provide similar basic functionality, they differ in their syntax and condition-checking time.
Published March 8, 2025
WsCube Tech
wscubetech.com › resources › python › loops
Loops in Python: All Types With Examples
October 1, 2025 - Learn all about Python loops, including for, while, and nested loops, with examples to help you understand their usage and syntax. Explore Python loops now!
Top answer 1 of 13
15
There are two types of loops in Python–the for loop and the while loop.
A for loop is typically used when you know how many times you want to iterate (i.e., execute the loop code) and a while loop is typically used when you don’t know how many times the code will iterate.
(When I teach programming to newcomers, I typically tell them that a for loop is like telling someone “drive 5 blocks and then turn right”, whereas a while loop is like “drive until you reach an intersection with a gas station, then turn right”.)
There are two types of for loops in Python. The first, and most common type involves iterating through a container:
[code]%3E%3E%3E string = 'a string is a container'
%3E%3E%3E for letter in string:
... print(letter, end=' ')
...
a s t r i n g i s a c o n t a i n e r
[/code]or…
[code]%3E%3E%3E list_of_words = string.split()
%3E%3E%3E list_of_words
['a', 'string', 'is', 'a', 'container']
%3E%3E%3E for word in list_of_words:
... print(word, len(word))
...
a 1
string 6
is 2
a 1
container 9
[/code]So the loop starts at the beginning of the container and continues until all of the items in the container have been examined/used.
The second type of for loop is for counting and is analogous to for loops in other languages:
[code]%3E%3E%3E for num in range(10):
... print(num, end=' ')
...
0 1 2 3 4 5 6 7 8 9
/code
or…
[code]%3E%3E%3E for num in range(1, 10, 2):
... print(num, 'is odd')
...
1 is odd
3 is odd
5 is odd
7 is odd
9 is odd
[/code]A while loop will continue until a condition becomes false:
[code]%3E%3E%3E while len(string) != 5:
... string = input('Enter a 5-letter string: ')
...
Enter a 5-letter string: no
Enter a 5-letter string: no!
Enter a 5-letter string: no!!
Enter a 5-letter string: Okay!
[/code]I occasionally will use a while loop when I know how many times the loop will iterate, simply because I feel it reads better.
[code]%3E%3E%3E nums
[1, 1, 10, 1, 3, 10, 3, 7, 9, 10, 9, 4, 3, 1, 4, 1, 3, 4, 1, 1, 3, 7, 5, 6, 7]
%3E%3E%3E while 1 in nums:
... nums.remove(1)
...
%3E%3E%3E nums
[10, 3, 10, 3, 7, 9, 10, 9, 4, 3, 4, 3, 4, 3, 7, 5, 6, 7]
/code
2 of 13
0
In Python, there are primarily two types of loops:
1. For Loop: This loop iterates over a sequence (like a list, tuple, dictionary, set, or string) or an iterable object. It executes a block of code for each item in the sequence.
Implementation:
[code]python
# Example of a for loop
fruits = ['apple', 'banana', 'cherry']
for fruit in fruits:
print(fruit)[/code]
2. While Loop: This loop continues to execute a block of code as long as a specified condition is true. It checks the condition before each iteration.
Implementation:
[code]python
# Example of a while loop
count = 0
while count < 5:
print(count)
count += 1[/code]
Additional Loop Control Statements
* break: Exits the loop prematurely.
[code]python
for number in range(10):
if number == 5:
break
print(number)[/code]
* continue: Skips the current iteration and moves to the next one.
[code]python
for number in range(5):
if number == 2:
continue
print(number)[/code]
* else: Can be used with both for and while loops, executing a block of code when the loop finishes normally (not terminated by a break).
[code]python
for number in range(5):
print(number)
else:
print("Loop finished without break.")[/code]
These loops and control statements allow for flexible iteration and flow control in Python programming.
Tutorialspoint
tutorialspoint.com › python › python_loops.htm
Python - Loops
Python loops allow us to execute a statement or group of statements multiple times. In general, statements are executed sequentially: The first statement in a function is executed first, followed by the second, and so on.
StrataScratch
stratascratch.com › blog › python-loops-explained-here-is-how-to-master-them
Python Loops Explained: Here is How to Master Them - StrataScratch
April 26, 2024 - For loop: It works best when looping types of sequences like lists, tuples, dictionaries, Python sets, and strings. While loop: It acts as long as the condition remains true. Let’s see them in action.
Real Python
realpython.com › python-for-loop
Python for Loops: The Pythonic Way – Real Python
3 weeks ago - In this code, the loop in the highlighted line iterates over integer indices from 0 to 5 in an asynchronous manner. When you run this script, you get the following output: ... In this output, each number is obtained after waiting half a second, which is consistent with the asynchronous iteration. You’ve learned how to use Python for loops to iterate over various data collections, including lists, tuples, strings, dictionaries, and sets.
Quora
quora.com › What-is-a-loop-in-Python-and-what-are-the-types-of-loops
What is a loop in Python and what are the types of loops? - Quora
Answer: A loop is a set of statements in python which repeats itself until a certain condition is satisfied. Generally, there are two types of loops in python : 1)for loop 2)while loop
Flexiple
flexiple.com › python › looping-statements-in-python
Looping Statements in Python | Flexiple Tutorials | Python - Flexiple
It allows programmers to modify the flow of the program so that rather than writing the same code again and again, programmers are able to repeat the code a finite number of times. In Python, there are three different types of loops: for loop, ...
Python.org
discuss.python.org › python help
How to count the number of loops with functional programming style - Python Help - Discussions on Python.org
June 11, 2022 - This is a way of counting a number of loops like normal: current_money = 10 count = 0 while current_money != 0: do_something(current_money) count += 1 print(count) I’m still on the way to learn functional progr…
Javatpoint
javatpoint.com › python-loops
Python Loops - Javatpoint
Python Loops with python tutorial, overview, environment set-up, first python program, basics, data types, operators, if-else statements, loops, history, features, history, versions, example, operators, variables etc.
Data Science Discovery
discovery.cs.illinois.edu › learn › Simulation-and-Distributions › For-Loops-in-Python
For-Loops in Python - Data Science Discovery
Ten cards randomly drawn (with replacement) using a for-loop. When we discussed generating Random Numbers in Python, we explored generating 100 rolls of a six-sided die.
YouTube
youtube.com › bro code
For loops in Python are easy 🔁 - YouTube
#python #course #tutorial00:00:00 iterate forwards00:01:39 iterate backwards00:02:15 step00:02:44 iterate over a string00:03:26 continue00:04:19 break00:04:3...
Published October 23, 2022 Views 292K
Quora
quora.com › How-do-I-count-the-number-of-loops-in-Python
How to count the number of loops in Python - Quora
Answer: Case 1 :- If you want to know how many times does loop will get executed then declare a count global variable with value u [count = 0] Then increase the value of count by 1 . At the end you print value of count when you are out of the ...
Medium
medium.com › @oluwadamisi.samuel › an-in-depth-guide-to-python-loops-types-uses-and-when-to-choose-one-over-another-77115517ce74
An In-Depth Guide to Python Loops: Types, Uses, and When to Choose One Over Another | by Oluwadamisi Samuel | Medium
October 10, 2023 - They are indispensable in scenarios where we need to perform the same set of actions repeatedly until a specific condition is met. Python offers two primary loop constructs: ‘for’ loop and ‘while’ loop.
Software Testing Help
softwaretestinghelp.com › home › python programming for beginners – free python tutorials › python loops – for, while, nested loops with examples
Python Loops - For, While, Nested Loops With Examples
April 1, 2025 - There are so many ways in which this can be achieved but for this example, we shall use the for loop. We shall be counting the words from the text below. Hello, welcome to Software Testing Help. In this article:”Loops in Python”, you’ll learn about loops with practical examples.