Then, it lets the player pick a place to shoot the torpedo. We validate this input so it doesn’t break our program. After that, we test what the user entered to see if it matches the ship’s location. If it does, Python says “It’s a hit!” and ends the loop. Otherwise, we...
Python 2.5 While Loops while Loops#while循环 An if statement is run once if its condition evaluates to True, and never if it evaluates to False. A while statement is similar, except that it can be run more than once. The statements inside it are repeatedly executed, as long as the condi...
while is a Python keyword used to initiate a loop that repeats a block of code as long as a condition is true. A while loop works by evaluating a condition at the start of each iteration. If the condition is true, then the loop executes. Otherwise, it terminates. while loops are ...
ExampleGet your own Python Server Print i as long as i is less than 6: i =1 whilei <6: print(i) i +=1 Try it Yourself » Note:remember to increment i, or else the loop will continue forever. Thewhileloop requires relevant variables to be ready, in this example we need to def...
Computer programs are great to use for automating and repeating tasks so that we don’t have to. One way to repeat similar tasks is through usingloops. We’ll be covering Python’swhile loopin this tutorial. Awhileloop implements the repeated execution of code based on a givenBooleancondition...
This article covers the construction and usage of While loops in Python. While Loop In Python A while statement iterates a block of code till the controlling expression evaluates to True. While loop favors indefinite iteration, which means we don't specify how many times the loop will run in...
While Loops in PythonKhan Academy
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Python will again move back to the condition of the while loop and attempt to re-run the code. Because 3.125 is greater than 1, the code makes the calculation. Finally, the new condition of the while loop is less than 1, so the code results in an error and won't run. ...
我正在尝试学习Javascript中的while循环。为什么这个while循环不能运行,即使当按钮被单击并且布尔值变为true时也是如此?有没有可能让while循环对事件驱动的变量变化做出反应? run; //clever way to toggle the boolean count++; counter.innerHTML = c