Replying via Steve's not to (I think) a comment from Michael Hobbs
(apologies to Steve):
>> The FAQ says that the colon increases readability, but I'm
>> skeptical. The indentation seems to provide more than enough of a
>> visual clue as to where the if conditional ends.
I use four-space indents whenever possible. If I have a multi-line
condition I find that the condition indents to the same level as the the
indented block, e.g.:
# Oh, wait, I shouldn't have typed that colon just now! It's not
# necessary. Oh, darn. Hmmm... What does Strunk say?
if (some_long_expression and
some_other_long_expression and
yet_another_long_expression):
that_was_a_long_expression = True
I don't know if this is just a shortcoming of the style I use to break lines
in a long expression or what, but the colon makes it clear where the
condition ends and the indented block begins.
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