[Tutor] working with strings in python3

Westley Martínez anikom15 at gmail.com
Tue Apr 19 02:58:53 CEST 2011


On Tue, 2011-04-19 at 10:34 +1000, James Mills wrote:
> On Tue, Apr 19, 2011 at 10:17 AM, Rance Hall <ranceh at gmail.com> wrote:
> > pseudo code:
> >
> >
> > message = "Bah."
> >
> > if test:
> >   message = message + " Humbug!"
> >
> > print(message)
> >
> > end pseudo code
> 
> Normally it's considered bad practise to concatenate strings.
> Use a a format specifier like this:
> 
> > message = "Bah."
> >
> > if test:
> >   message = "%s %s" (message, " Humbug!")
> >
> > print(message)
> 
> Python3 (afaik) also introduced the .format(...) method on strings.
> 
> cheers
> James
> 
> -- 
> -- James Mills
> --
> -- "Problems are solved by method"

How is concatenating strings bad practice?  I use code such as:

string = 'hello'
string += ' children.'

a lot.




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