The 's' replaces a person Area match at a time even so the 's+' replaces The entire space sequence at the same time with the second parameter.
In this instance, it will make no variation, because you are replacing everything having an empty string (Whilst it would be much better to implement s+ from an performance viewpoint). In the event you have been replacing which has a non-vacant string, The 2 would behave in different ways. Share Enhance this reply Stick to
so "indent" specifies the amount House to allocate with the string that follows it within the parameter list.
This is especially essential for customers of our community who're beginners, and never acquainted with the syntax. Provided that, can you edit your answer to incorporate an evidence of Whatever you're performing and why you think it is the best technique?
This is often relatively typical error-examining code for a Python script that accepts command-line arguments.
The difference lies in the way it get's dealt with. For those who would've a gaggle of (as an example) three Areas instantly subsequent each other s+ requires that group and turns the whole it right into a "", although s would proces every single Place By itself.
The width is just not laid out in the format string, but as an extra integer price argument previous the argument that must be formatted.
And because your second parameter is empty string "", there isn't a difference between the output of two scenarios.
The PEP isn't going to say "supplanted" and read more in no Section of the PEP will it say the % operator is deprecated (yet it does say other issues are deprecated down the bottom). You may perhaps like str.format and that is fine, but until finally there's a PEP indicating it really is deprecated there is not any sense in declaring it is when it is not.
The width is not really laid out in the format string, but as an extra integer benefit argument preceding the argument that needs to be formatted.
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If the value is bigger than four character positions extensive, the sector width expands to accommodate the right variety of figures.
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