Its construct consists of a block of code and a condition. While Loop. How to use "For Loop" In Python, "for loops" are called iterators. The Python While Loop is used to repeat a block of statements for given number of times, until the given condition is False. The while loop has two variants, while and do-while, but Python supports only the former. To make a Python While Loop run indefinitely, the while condition has to be True forever. In this program, we’ll ask for the user to input a password. Loops are either infinite or conditional. Always be aware of creating infinite loops accidentally. while test_expression: Body of while Python Infinite While Loop. A While loop in Python start with the condition, if the condition is True then statements inside the while loop will be executed. In Python, while loops are constructed like so: while [a condition is True]: [do something] The something that is being done will continue to be executed until the condition that is being assessed is no longer true. If it is False, then the loop is terminated and control is passed to the next statement after the while loop body. The while loop contains a boolean expression and the code inside the loop is repeatedly executed as long as the boolean expression is true. while expression: statement(s) Here, statement(s) may be a single statement or a block of statements with uniform indent. But unlike while loop which depends on … The while loop in python first checks for condition and then the block is executed if the condition is true. Just like while loop, "For Loop" is also used to repeat the program. The while loop tells the computer to do something as long as the condition is met. Python while loop is used to repeat a block of code until the specified condition is False. So far everything in the body of the loop has been run on each pass. A while loop runs as long as a certain condition is True.The while loops syntax looks like this:. The condition is true, and again the while loop is executed. This continues till x becomes 4, and the while condition becomes false. A while loop statement in Python programming language repeatedly executes a target statement as long as a given condition is true.. Syntax. Introducing while Loops. You can control the program flow using the 'break' and 'continue' commands. While Loop. The condition is evaluated, and if the condition is true, the code within the block is executed. The while loop is used when we don’t know the number of times the code block has to execute. In this tutorial, we will learn some of the ways to create an infinite while loop, with the help of example Python programs. The condition may be any expression, and true is any non-zero value. of iterations, the while loop relies on a condition to complete the execution.. To go back to ☛ Python Tutorials While coding, there could be scenarios where you don’t know the cut-off point of a loop. There are times when you need to do something more than once in your program. To make the condition True forever, there are many ways. Unlike the for loop which runs up to a certain no. The block is executed repeatedly until the condition is evaluated to false. The syntax of a while loop in Python programming language is −. For and while are the two main loops in Python. Let’s create a small program that executes a while loop. Python break and continue statements. This repeats until the condition becomes false. In other words, we need a loop, and the most simple looping mechanism in Python is the while loop. Python while loop keeps reiterating a block of code defined inside it until the desired condition is met.. 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