#python
A while loop is a control flow structure in computer programming that allows a block of code to be repeatedly executed as long as a specified condition is true. The loop consists of a condition that is evaluated before each iteration. If the condition is true, the code block is executed, and the loop continues. If the condition becomes false, the loop terminates, and the program proceeds to the next statement after the loop.
Here is a general syntax for a while loop:
while (condition) {
// Code to be executed
// during each iteration
// Update or modify the condition
}
The condition can be any expression that evaluates to either true or false. As long as the condition remains true, the code block within the loop will be executed repeatedly. It is important to ensure that the condition eventually becomes false to prevent an infinite loop.
Within the loop, you can perform various operations, such as calculations, input/output operations, or modifying variables. You may also need to update or modify the condition to ensure the loop terminates when desired.
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