python break
时间: 2023-10-14 20:28:46 浏览: 74
The break statement in Python is used to exit the loop immediately. When the break statement is encountered inside a loop, the loop is terminated and the program execution continues at the next statement after the loop.
Here's an example of using the break statement in a while loop:
```
i = 0
while i < 10:
print(i)
i += 1
if i == 5:
break
```
In this code, the while loop will continue to execute as long as the value of i is less than 10. However, when i becomes equal to 5, the break statement is executed, which causes the loop to immediately terminate. As a result, the output of the code will be:
```
0
1
2
3
4
```
Note that the value of i never reaches 5 because the loop terminated when i was equal to 4.