Interrupting Loops

Keywords for control inside loops

break: immediately stops the execution of the nearest loop

continue: skips the remainder of the code block and starts the next iteration

for looping_variable in sequence:
    if logical_expression:
        continue
    code_block
    if logical_expression:
        break

Examples of break and continue

Refresh on the implementation of these keywords in the following examples before using them in an activity.

# iterate over numbers up to five but do not print 2
for i in range(5):
    
    if i == 2:
        continue
        
    print(i)

0
1
3
4

# use a break to prevent an infinite loop
n = 0
while n > -1:
    n += 1
    if n > 1000:
        break
print(n)

1001