From: D T <tran55555@...>
Date: 2003-06-24T03:23:27+09:00
Subject: Parallel Assignment # a,b=c,d=1,2

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We can write:
aa = bb = cc = 1  # no need  aa = ( bb = ( cc = 1 ) )
 
Why we cannot write:
a,b = c,d = e,f = 1,2  # error!
x = (e,f = 1,2)  # show x = [1,2]
And this works:
a,b = (c,d = (e,f = 1,2)) 
 
So my question is in that case, 
why we need ( ) to avoid error in parallel assignment?
Explanation?
 
Thanks.


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<DIV>We can write:</DIV>
<DIV>aa = bb = cc = 1&nbsp; # no need&nbsp; aa = ( bb = ( cc = 1 ) )</DIV>
<DIV>&nbsp;</DIV>
<DIV>Why we cannot write:</DIV>
<DIV>a,b = c,d = e,f = 1,2&nbsp; # error!</DIV>
<DIV>x = (e,f = 1,2)&nbsp; # show x = [1,2]</DIV>
<DIV>And this works:</DIV>
<DIV>a,b = (c,d = (e,f = 1,2)) </DIV>
<DIV>&nbsp;</DIV>
<DIV>So my question is in that case, </DIV>
<DIV>why we need ( ) to avoid error in parallel assignment?</DIV>
<DIV>Explanation?</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks.</DIV><p><hr SIZE=1>
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