In the following example, we loop through a list of numbers, and use the variable digit to hold each number in turn: Strings in Python are considered ... in a for loop is range.

Be sure to indent the statements to repeat in the loop. We need to have at least one condition to ... a list for even numbers odd = [] # create a list for odd numbers for k in range(1, 21): if k%2 == ...

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 ...