6.9. Continue statement

Just like break we have another statement, continue, which skips the execution of the code after itself and goes back to the start of the loop. That means it will help you to skip a part of the loop. In the below example we will ask the user to input an integer, if the input is negative then we will ask again, if positive then we will square the number. To get out of the infinite loop user must input 0.

#!/usr/bin/env python
while True:
    n = int(raw_input("Please enter an Integer: "))
    if n < 0:
        continue #this will take the execution back to the starting of the loop
    elif n == 0:
        break
    print "Square is ", n ** 2
print "Goodbye"

The output

$ ./continue.py
Please enter an Integer: 34
Square is 1156
Please enter an Integer: 4
Square is 16
Please enter an Integer: -9
Please enter an Integer: 0
Goodbye