yehudak . wrote:
> Hi there,
> In a program I wrote the following line (Python 3.5):
>
> print("You've visited", island, '&', new + ".")
>
> A programmer told me that it's a bad habit, and I should have used
> instead:
>
> print("You've visited {0} {1} {2}{3}".format(island, "&", new, "."))
>
> May I understand why?
I don't see the benefits either. If anything I'd move the constants into the
format string:
print("You've visited {island}, & {new}.".format(island=island, new=new))
If you use the same names in your format string and your code it should
suffice to read the format string to get an idea of what will be printed.
In future versions of Python you can simplify it to
print(f"You've visited {island}, & {new}.")
https://www.python.org/dev/peps/pep-0498/
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