Hopefully this clarifies what exactly enumerate does:
>>> list(enumerate('abc'))
[(0, 'a'), (1, 'b'), (2, 'c')]
It just turns your list into a list of a pairs where each of your elements is joined with the index i.e. a with 0, b with 1 and c with 2.
That's not exactly true because it is an iterator rather than an actual list - so it provides you with values lazily when you wrap another iterator.
Looping over it is therefore the same as any other lists except usually it is done the following way:
for i, x in enumerate(xs)
You could still use:
for i in enumerate(xs)
but then just know that i is going to be a tuple with some int, and some object from xs.
GeeksforGeeks
geeksforgeeks.org › python › enumerate-in-python
Enumerate() in Python - GeeksforGeeks
enumerate() function in Python is used to loop over an iterable and get both the index and the element at the same time. It returns an enumerate object that produces pairs in the form (index, element).
Published 1 month ago
Real Python
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Python enumerate(): Simplify Loops That Need Counters – Real Python
June 23, 2025 - One way to write a function that ... += 1 ... my_enumerate() takes two arguments, iterable and start, where the default value of start is 0. Inside the function definition, you initialize n to be the value of start and run a for loop over the iterable...
Enumerate explanation
I was trying to find a way to iterate through a string and return a specific character when only unique characters of the string were detected and another character if duplicates were detected (basically encoding the word “cheese” into “(())()” I started diving into nested loops with ... More on discuss.python.org
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August 23, 2022What's the difference between using in vs. in enumerate() with for loops?
enumerate is a built in function that will return the index of the items in the list as you iterate over the list. https://www.google.com/url?sa=t&source=web&rct=j&url=https://docs.python.org/3/library/functions.html&ved=2ahUKEwidrOrnnqj1AhXLJjQIHUv0AssQFnoECDEQAQ&usg=AOvVaw2aflcS7kd-hLXzuZoQl_tg More on reddit.com
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January 10, 2022How to enumerate/for loop over .readline()? (Python)
Have you tried .readlines() yet? That gives you a list and then loop through that list. More on reddit.com
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December 6, 2020[deleted by user]
Thanks for the tutorial! More on reddit.com
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March 2, 2022Videos
14:01
Using Python enumerate() With for Loops - YouTube
How enumerate works with Python for-loops | Python ...
The Python for loop & Python's Enumerate Function - YouTube
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Master Python enumerate() Function: 10 Practical Examples - YouTube
00:56
Tutorial: Python Enumerate Function - YouTube
10:04
For Loops, range(), & enumerate() | Python Programming Ep. 17 - ...
Nb-Data
nb-data.com › p › 6-ways-to-use-pythons-enumerate-for
6 Ways to Use Python's enumerate for Better Loop Control - NBD Lite #28
October 14, 2024 - To do that, we can use enumerate to simplify the process of accessing index elements from each list in the same loop. For example, we can do that in the code below.
Great Learning
mygreatlearning.com › blog › it/software development › python enumerate(): simplify looping with counters
Python enumerate(): Simplify Looping With Counters
January 6, 2025 - The simplest and most common way to use the enumerate function is to loop over the iterable object, as shown in the example below: ... In this example, the index represents the current index of the iterable object, and the value represents the ...
W3Schools
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Python enumerate() Function
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Coursera
coursera.org › tutorials › enumerate-python
How to Enumerate in Python: Step by Step | Coursera
Python enumerate assigns a count to each item within an iterable and returns it as an enumerate object. This function enables you to loop over an iterable while accessing the index of items within it.
Python.org
discuss.python.org › python help
Enumerate explanation - Python Help - Discussions on Python.org
August 23, 2022 - I was trying to find a way to iterate through a string and return a specific character when only unique characters of the string were detected and another character if duplicates were detected (basically encoding the word “cheese” into “(())()” I started diving into nested loops with counts and sets and trying to figure out how to then produce one character or another depending on which list the iteration was found in, but I came across “enumerate”, which from what I’ve read has the ability to...
Mimo
mimo.org › glossary › python › enumerate-function
Python enumerate Function: Master Index-Based Iteration
Master Python's enumerate() function to iterate with indexes. Simplify loops, track positions, and improve code readability with practical examples.
Hyperskill
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Python enumerate() Function
July 17, 2024 - To use enumerate, place it within a for loop, passing the iterable object as an argument.
Analytics Vidhya
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Python enumerate(): Simplify Looping With Counters | Analytics Vidhya
July 12, 2024 - When you are writing Python code you can use the enumerate() function to generate a counter for each value of an iterable. This article shows a tutorial about using Python’s Enumerate() method using a for loop.
Programiz
programiz.com › python-programming › methods › built-in › enumerate
Python enumerate()
grocery = ['bread', 'milk', 'butter'] for item in enumerate(grocery): print(item) print() # loop over an enumerate object for count, item in enumerate(grocery): print(count, item) print()
LearnPython.com
learnpython.com › blog › enumerate-python
The enumerate() Function in Python | LearnPython.com
Before we get started, we should ... on the enumerate() function. The syntax looks like this: ... It takes a required iterable like a list, array, or tuple. There’s also an optional argument that defines the start value of the index counter, which defaults to zero. Looping in Python is pretty fundamental, and we’ve previously discussed it in a few places. For some background ...
Simplilearn
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An Introduction to Enumerate in Python with Syntax and Examples
August 24, 2025 - Enumerate is a built-in function in the python library. This tutorial will help you to learn all about enumerate in python with syntax and examples. Start now!
Reddit
reddit.com › r/learnpython › what's the difference between using in vs. in enumerate() with for loops?
r/learnpython on Reddit: What's the difference between using in vs. in enumerate() with for loops?
January 10, 2022 -
I've seen both ways used in the same class, is there any difference between the two? If yes, how do they behave differently?
See below for a random example
"Example A":
for tires in self.cars
for wheel_nut in cars.tires
if wheel_nut.broken == true
repair
wheel_nut.broken == false
"Example B":
for i, tires in enumerate(self.cars)
for j, wheel_nut in enumerate(cars.tires)
if wheel_nut.broken == true
repair
wheel_nut.broken == false Top answer 1 of 5
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enumerate is a built in function that will return the index of the items in the list as you iterate over the list. https://www.google.com/url?sa=t&source=web&rct=j&url=https://docs.python.org/3/library/functions.html&ved=2ahUKEwidrOrnnqj1AhXLJjQIHUv0AssQFnoECDEQAQ&usg=AOvVaw2aflcS7kd-hLXzuZoQl_tg
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Forget about for loops for a second since they aren't important here. Run this: print(list(self.cars)) # "list" is likely redundant here, but I'm keeping it for symmetry print(list(enumerate(self.cars))) Check the output. That's the difference. The for loop just iterates what you give it; in and enumerate are not at all related. If you give a for a list of cars, it'll iterate a list of cars. If you give for a enumerate(cars), it will iterate the list of tuples that enumerate returns.
Spark By {Examples}
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For Loop Enumerate in Python - Spark By {Examples}
May 31, 2024 - For that, we need to set the ‘start’ parameter with the specified number and pass it into this function and iterate using for loop. It will return each value of iterable object with specified starting point of count value. # Using enumerate() to set the starting count courses=['java','python','pandas','sparks'] for value in enumerate(courses, start = 1): print(value)
freeCodeCamp
freecodecamp.org › news › python-enumerate-python-enum-for-loop-index-example
Python Enumerate – Python Enum For Loop Index Example
September 22, 2021 - Instead of incrementing a count variable ourselves, we can use the enumerate() function with the for loop. Python's built in enumerate() function takes in an iterable and an optional start argument.
DataCamp
datacamp.com › tutorial › python-enumerate-tutorial
Python Enumerate Tutorial | DataCamp
May 20, 2022 - The enumerate() function is a Python ... returns an enumerate object. In other words, this function assigns a count incrementing by 1 to each item of an iterable and helps us track iterations while looping through that ......
SQLPad
sqlpad.io › tutorial › python-enumerate
Python enumerate - Master the Python enumerate function for clearer looping. Learn how it simplifies indexing and iteration, enhancing code readability and efficiency with examples. - SQLPad.io
The enumerate function is a built-in Python utility that allows you to loop over iterable objects, like lists or strings, and have an automatic counter. What makes enumerate particularly useful is that it returns a tuple for each item in the ...
Enki
enki.com › post › what-does-enumerate-mean-in-python
Enki | Blog - What Does enumerate Mean in Python
The enumerate() function is a Python tool that allows you to loop through an iterable—like a list, tuple, or string—and have access to both the index and the element itself.