while
时间: 2023-09-01 12:07:32 浏览: 66
The `while` loop is a type of loop statement in many programming languages. It allows a block of code to be repeated as long as a certain condition is true. The condition is checked at the beginning of each iteration, and if it is true, the code block is executed. This continues until the condition becomes false, at which point the loop terminates and the program continues with the next statement after the loop. Here is an example of a `while` loop in Python:
```
i = 0
while i < 10:
print(i)
i += 1
```
This code will print the numbers 0 to 9, since the loop will continue as long as `i` is less than 10, and `i` is incremented by 1 at the end of each iteration.
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