Its construct consists of a block of code and a condition. A while loop statement in Python programming language repeatedly executes a target statement as long as a given condition is true.. Syntax. The condition may be any expression, and true is any non-zero value. Loops are either infinite or conditional. But unlike while loop which depends on … Unlike the for loop which runs up to a certain no. Python break and continue statements. Introducing while Loops. Python while loop is used to repeat a block of code until the specified condition is False. 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. To make the condition True forever, there are many ways. Python while loop keeps reiterating a block of code defined inside it until the desired condition is met.. A while loop runs as long as a certain condition is True.The while loops syntax looks like this:. The Python While Loop is used to repeat a block of statements for given number of times, until the given condition is False. This repeats until the condition becomes false. A While loop in Python start with the condition, if the condition is True then statements inside the while loop will be executed. Just like while loop, "For Loop" is also used to repeat the program. while test_expression: Body of while In other words, we need a loop, and the most simple looping mechanism in Python is the while loop. The while loop tells the computer to do something as long as the condition is met. The while loop is used when we don’t know the number of times the code block has to execute. To make a Python While Loop run indefinitely, the while condition has to be True forever. We should take proper care in writing while loop condition if the condition never returns False, the while loop will go into the infinite loop . 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. The while loop in python first checks for condition and then the block is executed if the condition is true. For and while are the two main loops in Python. The condition is evaluated, and if the condition is true, the code within the block is executed. Let’s create a small program that executes a while loop. In this program, we’ll ask for the user to input a password. You can control the program flow using the 'break' and 'continue' commands. If it is False, then the loop is terminated and control is passed to the next statement after the while loop body. while expression: statement(s) Here, statement(s) may be a single statement or a block of statements with uniform indent. The syntax of a while loop in Python programming language is −. This continues till x becomes 4, and the while condition becomes false. The while loop has two variants, while and do-while, but Python supports only the former. There are times when you need to do something more than once in your program. The condition is true, and again the while loop is executed. So far everything in the body of the loop has been run on each pass. The syntax of the while loop in the simplest case looks like this: while some condition: a block of statements Python firstly checks the condition. If the given condition is false then it … While Loop. While Loop. Always be aware of creating infinite loops accidentally. 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