Be sure to indent the statements to repeat in the loop ... infinite (or endless) loop Be sure to indent the statements to repeat in the loop Let's see examples. #1 print all even numbers from 1 to 20 ...

If you’ve ever written any Python at all, the chances are you’ve used iterators without even realising it. Writing your own and using them in your programs can provide significant performance ...

Consider this simple algorithm to count up in twos from one to a hundred: the variable ‘count’ is set to 1 the ‘while’ statement ... will never equal 100. Infinite loops can cause programs ...