Boston Python Workshop 3/Friday/Tutorial: Difference between revisions

 

In summary, things that represent emptyness or zeroness, including the boolean <code>False</code>, empty string, and 0, will evaluate to <code>False</code> in a conditional expression. Everything else, including the boolean <code>True</code>, non-empty strings, and numbers other than 0, is <code>True</code>.

 

You can use the <code>else</code> keyword to conditionally execute code when the expression for the <code>if</code> block isn't true: