Page 312 - Computer Science V2.0 Class 11

11.5 Jump Statements

We have learnt that loops are used to execute the statements repeatedly in the same sequence as they are given in
the body of the loop. However, sometimes, we may require to either exit the loop or skip certain statements of the
loop before moving to the next iteration. Jump statements help to control the loop in such a manner. The two jump
statements provided by Python are break and continue.

11.5.1 break Statement

The break statement terminates the same loop in which it is defined and moves the control to the next statement
immediately following the loop. Once the break statement is encountered and executed, no further statement in the
loop will be executed.
Syntax:
break
The flowchart in fig 11.4 explains the working of break statement.

Test False
condition

True

Enter Loop

Break

Exit Loop

Fig 11.4: Flowchart to explain the working of break statement
The break statement causes unconditional termination of a loop. Even if the test condition is True, or all values
in the range have not been traversed, yet, as the break statement is encountered, the execution of the loop stops.
Consider the code explaining the functioning of break statement in a for loop and while loop:

for x in range(1,5): num=5
print(x) while num>=0:
if x==3: print(num*num)
break if num%3==0:
print("Over") break
num=num-1
print("Done")

Output: Output:
1 25
2 16
3 9
Over Done
In the example of for loop, as the value of x becomes equal to 3, the test condition of if statement evaluates
to True, which leads to the execution of break statement.

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