Re: Have a variable column length in printf

[Terry Reedy]

Gary Herron wrote:
Cameron Pulsford wrote:
Hello all, I'm trying to pretty print a list, so I am doing something 
like

print '%3d' % integer

only I would like that 3 to be a variable, instead of hardcoded. Is 
this possible, or are there any other ways to accomplish this? Thanks!

Use a '*' instead of fixed width, and then supply the actual width as a 
separate parameter:

 >>> print '%*d' % (5,123)
 123

In the new string formating, fields can be nested withing fields.  For 
3.1, with auto field numbering:
>>> "{:{}d}".format(12,4)
'  12'

Otherwise, {0:{1}d}

tjr

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