which one is more efficient

[Paul Rubin]

> ki lo wrote:
> > I have type variable which may have been set to 'D' or 'E'
> > 
> > Now, which one of following statements are more efficient
> > 
> > if type =='D' or type == 'E':
> > 
> > or
> > 
> > if re.search("D|E", type):
> > 
> > Please let me know because the function is going to called 10s of millions
> > of times.
> 
> For maximum efficiency you have to use a set.

   if type in 'DE': ...

might be faster.  Really the only way to know is make actual
measurements.