If Condition In python and other programming languages the key word if is used to check if a condition is true and to execute the block code. Remember the indentation after the colon. # ...

As an FYI, nosferatu-man's and my solutions are better than S. Carton's, but require Python 2.4. The "key" parameter to sort/sorted does a "Decorate-Sort-Undecorate" [1] automatically, whereas the ...