Why does Python show the whole array?

John Posner jjposner at snet.net
Thu Apr 9 21:21:52 CEST 2009

 > Peter Otten wrote:

 >> Could you explain why you prefer 'contains(belly, beer)'
 >> or 'belly.contains(beer)' over 'beer in belly'? The last form may be 
a bit
 >> harder to find in the documentation, but once a newbie has learned about
 >> it he'll find it easy to remember.

andrew cooke wrote:

 > i don't know why i get involved in this type of discussion, but....

I sense growing exasperation, and I do *not* have strong feelings on 
this matter, so I promise this will be my last message on this topic.

I don't really prefer 'contains(belly, beer)' over 'beer in belly'. 
Rather, it's a completeness/consistency argument: a language that 
includes these methods for string objects:


... should also include:


The lack of this method increases the likelihood that a user will 
mistakenly use the find() method as a predicate.

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