what are for loops used for ?

Description

https://realpython.com/python-for-loop

https://realpython.com/python-for-loop
Python for Loops (Definite Iteration) – Real Python
Definite iteration loops are frequently referred to as for loops because for is the keyword that is used to introduce them in nearly all programming languages, including Python.
While
Here’s what’s happening in this example: n is initially 5.The expression in the while statement header on line 2 is n > 0, which is true, so the loop body executes.Inside the loop body on line 3, n is decremented by 1 to 4, and then printed. When the body of the loop has finished, program execution returns to the top of the loop at line 2, and the expression is evaluated again.
Iterates Through a Dictionary
Getting Started With Python Dictionaries. Dictionaries are a cornerstone of Python. Many aspects of the language are built around dictionaries. Modules, classes, objects, globals(), and locals() are all examples of how dictionaries are deeply wired into Python’s implementation.. Here’s how the Python official documentation defines a dictionary:. An associative array, where arbitrary keys …

https://en.wikipedia.org/wiki/For_loop

https://en.wikipedia.org/wiki/For_loop
For loop – Wikipedia
For-loops are typically used when the number of iterations is known before entering the loop. For-loops can be thought of as shorthands for while-loops which increment and test a loop variable. Various keywords are used to indicate the usage of a for loop: descendants of ALGOL use for , while descendants of Fortran use do .

https://www.w3schools.com / python / python_for_loops.asp

https://www.w3schools.com / python / python_for_loops.asp
Python For Loops – W3Schools
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 other object-orientated programming languages.

https://www.ibm.com/reference/python/for-loop

https://www.ibm.com/reference/python/for-loop
What is a for loop in python? | IBM
15 déc. 2023The for loop in Python is used to iterate over a sequence (like a list, tuple, or string) or other iterable objects. Iterating over a sequence means going through each element one by one. In this article, we’re going to describe how to iterate over a python list, using the built-in function for. Be careful with the indentation.

https://wiki.python.org/moin/ForLoop

https://wiki.python.org/moin/ForLoop
ForLoop – Python Wiki
for loops are used when you have a block of code which you want to repeat a fixed number of times. The for-loop is always used in combination with an iterable object, like a list or a range. The Python for statement iterates over the members of a sequence in order, executing the block each time.

https://www.programiz.com/python-programming/for-loop

https://www.programiz.com/python-programming/for-loop
Python for Loop (With Examples) – Programiz
Solve challenges and become a Python expert. Python for Loop In Python, a for loop is used to iterate over sequences such as lists, tuples, string, etc. For example, languages = [‘Swift’, ‘Python’, ‘Go’, ‘JavaScript’] # run a loop for each item of the list for language in languages: print(language) Run Code Output Swift Python Go JavaScript

https://www.coursera.org/tutorials/for-loop-python

https://www.coursera.org/tutorials/for-loop-python
How to Use For Loops in Python: Step by Step | Coursera
24 févr. 2023Step 2. Write the iterator variable (or loop variable). The iterator takes on each value in an iterable (for example a list, tuple, or range) in a for loop one at a time during each iteration of the loop. Example: Suppose you have a list called box_of_kittens [😾😺😼😽] as your iterable.

https://www.dataquest.io/blog/python-for-loop-tutorial

https://www.dataquest.io/blog/python-for-loop-tutorial
The Basics of Python For Loops: A Tutorial – Dataquest
In the context of most data science work, Python for loops are used to loop through an iterable object (like a list, tuple, set, etc.) and perform the same action for each entry. For example, a for loop would allow us to iterate through a list, performing the same action on each item in the list. (An interable object, by the way, is any Python …

https://pythonnumericalmethods.berkeley.edu/notebooks/chapter05.01-For-Loops.html

https://pythonnumericalmethods.berkeley.edu/notebooks/chapter05.01-For-Loops.html
For-Loops — Python Numerical Methods
A for-loop is a set of instructions that is repeated, or iterated, for every value in a sequence. Sometimes for-loops are referred to as definite loops because they have a predefined begin and end as bounded by the sequence. The general syntax of a for-loop block is as follows. CONSTRUCTION: For-loop.

https://junilearning.com/blog/guide/python-for-loop

https://junilearning.com/blog/guide/python-for-loop
Python For Loops – How They Work & How To Use Them | Juni Learning
28 févr. 2022For loop: Used for iterating over a sequence. Iteration: The process of repeatedly executing a set of statements. Loop statement: Allows the execution of a statement or collection of statements. Loop variable: Set to execute some iterations of a for loop. Nested loop: A loop within a . Pass statement: This is useful when planning to use a … lesoutrali bot