print format

[Will Ware]

Curtis Jensen (cjensen at bioeng.ucsd.edu) wrote:
> [Python's format-string mechanism]
> only works with tuples, not lists.  The % operator with strings
> requires tuples.  I'm not sure why the chose to make this limitation. 
> The following code gives this error.
> a = [1,2,3,4,5]
> print (5*"%5i ") % a
> Traceback (innermost last):
>   File "<stdin>", line 1, in ?
> TypeError: illegal argument type for built-in operation

This is all true, but it's not too bad because you can easily convert
a list to a tuple using the tuple() function. Just type

print (5*"%5i ") % tuple(a)

and you should be OK.
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Resistance is futile. Capacitance is efficacious.
Will Ware	email:    wware @ world.std.com