Infinite Loops
Here is the question: what if the condition always has a constant value of True or False? If it is False, we simply skip the instructions inside the loop's body. But for True, we get the infinite loop: you'll never leave it, and your code can execute without stopping (or until the process will be interrupted). Beginners (and even experienced programmers) sometimes accidentally code the infinite loops due to different reasons.
For example, the following code snippet is an infinite loop because the counter i is constant, probably, the programmer forgot about updating counter i += 1.
123i = 1 while i < 100: print(i*i)
This loop is infinite because the stop condition is constantly True.
12while 2 + 2 == 4: print('Math works!')
You should avoid the infinite loops and double check if the condition ever becomes False.
Swipe to start coding
Be careful, this loop is infinite. Change the condition so that the loop is finite and list_ contains following values:
1 2 4 8 16 32 64
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Here is the question: what if the condition always has a constant value of True or False? If it is False, we simply skip the instructions inside the loop's body. But for True, we get the infinite loop: you'll never leave it, and your code can execute without stopping (or until the process will be interrupted). Beginners (and even experienced programmers) sometimes accidentally code the infinite loops due to different reasons.
For example, the following code snippet is an infinite loop because the counter i is constant, probably, the programmer forgot about updating counter i += 1.
123i = 1 while i < 100: print(i*i)
This loop is infinite because the stop condition is constantly True.
12while 2 + 2 == 4: print('Math works!')
You should avoid the infinite loops and double check if the condition ever becomes False.
Swipe to start coding
Be careful, this loop is infinite. Change the condition so that the loop is finite and list_ contains following values:
1 2 4 8 16 32 64
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederTak for dine kommentarer!
Awesome!
Completion rate improved to 6.25single
