print & string formatting
Sharan Basappa
sharan.basappa at gmail.com
Sun Jul 22 07:32:47 EDT 2018
On Sunday, 22 July 2018 10:24:55 UTC+5:30, Cameron Simpson wrote:
> On 21Jul2018 21:33, Sharan Basappa <sharan.basappa at gmail.com> wrote:
> >I get a lot confused while using print functions in Python.
> >
> >For example, I get the same results for the following code:
> >
> >str = "one two three"
>
> Pleasetry not to name variables after builtin classes ("str" is the name of
> Python's string class).
>
> >print str
> >print "%s" %(str)
> >
> >So, what is the need to use the second method which I see being used in many
> >programs I am referring to
>
> For a bare "%s", one would normally just write str(s) where "s" is your string
> variable.
>
> The % formatting is usually for (a) more complex messages or (b) separating the
> message format from the values. Example:
>
> print("The time is %s and the place is %s." % (when, where))
>
> Instead of the much harder to read and maintain:
>
> print("The time is", str(when), "and the place is", str(where), ".")
>
> Cheers,
> Cameron Simpson <cs at cskk.id.au>
Thanks. I thin I understand.
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