2024年12月27日 · The break statement in Python is used to exit or “break” out of a loop (either a for or while loop) prematurely, before the loop has iterated through all its items or reached its condition. When the break statement is executed, the program immediately exits the loop, and the control moves to the next line of code after the loop.

In order to jump out of a loop, you need to use the break statement. n=L[0][0] m=len(A) for i in range(m): for j in range(m): if L[i][j]!=n: break; Here you have the official Python manual with the explanation about break and continue, and other flow control statements:

The break keyword is used to break out a for loop, or a while loop. Use the continue keyword to end the current iteration in a loop, but continue with the next. Read more about for loops in our Python For Loops Tutorial. Read more about while loops in our Python While Loops Tutorial. Python Keywords.

There is no way to do this from a language level. Some languages have a goto others have a break that takes an argument, python does not. The best options are: Set a flag which is checked by the outer loop, or set the outer loops condition. Put the loop in a function and use return to break out of all the loops at once. Reformulate your logic ...

Using Python break with for loop. The following shows how to use the break statement inside a for loop: for index in range(n): # more code here if condition: break Code language: Python (python) In this syntax, if the condition evaluates to True, the break statement terminates the loop immediately. It won’t execute the remaining iterations.

2024年11月11日 · break stops the while loop, but there isn't a 'False signal': while means 'loop while the expression following the while statement evaluates as True', so if what comes after while is True itself, while will loop forever; break means 'stop looping right now' and works any loop, including both while and for loops.

Python break statement is used to terminate the current loop and resumes execution at the next statement, just like the traditional break statement in C. The most common use for Python break statement is when some external condition is triggered requiring a sudden exit from a loop.

2022年8月20日 · Summary: in this tutorial, you’ll learn about the Python break statement and how to use it to exit a loop prematurely. Sometimes, you wan to terminate a for loop or a while loop prematurely regardless of the results of the conditional tests. In these cases, you can use the break statement:

break and continue allow you to control the flow of your loops. They’re a concept that beginners to Python tend to misunderstand, so pay careful attention. The break statement will completely break out of the current loop, meaning it won’t run any more of the statements contained inside of it. >>> for name in names: