Exit The Loop with Break - Learn to program with Python

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Exit the loop with break #

In Python, the break statement is used to prematurely exit a loop. When encountered within a loop, the break statement immediately terminates the loop and transfers the program execution to the next statement after the loop.

Here's an example of using break to stop a for loop:

fruits = ["apple", "banana", "cherry", "date", "elderberry"]

for fruit in fruits:
    if fruit == "cherry":
        break
    print(fruit)

print("Loop finished")

In this example, the loop iterates over the fruits list. When the fruit variable becomes equal to "cherry", the break statement is encountered, and the loop is exited. As a result, only "apple" and "banana" will be printed, and the program execution will continue with the statement after the loop, which is print("Loop finished").

The output of the above code will be:

apple
banana
Loop finished

Using with while loops #

We can use break statements with while loops as well. In the example below, we use the break statement to stop the execution of the while loop when x equals 3.

x = 0
while True:
    print(f"The number is {x}")
    if x == 3:
        break
    x = x + 1
print("This is called after the loop")

Output
The number is 0
The number is 1
The number is 2
The number is 3
This is called after the loop

Exercise #

Use break to stop the loop when the value number is equal to 5, so that the function print() is called 5 times.

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