The 's' replaces a person space match at any given time but the 's+' replaces The entire space sequence at the same time with the second parameter.

In cases like this, it makes no variation, because you are changing every little thing having an empty string (Though It could be better to work with s+ from an effectiveness standpoint). Should you have been changing which has a non-vacant string, The 2 would behave in another way. Share Enhance this reply Comply with

In some code that I've to keep up, I've witnessed a structure specifier %*s . Can any individual inform me what this is and why it is actually utilised?

5 @powersource97, %.*s indicates you are examining the precision price from an argument, and precision is the maximum amount of characters being printed, and %*s you happen to be studying the width price from an argument, which can be the minimum amount variety os people for being printed.

This is reasonably standard error-checking code for just a Python script that accepts command-line arguments.

The real difference lies in the best way it get's dealt with. In the event you would have a gaggle of (one example is) 3 Areas instantly pursuing each other s+ requires that team and turns The entire it right into a "", even though s would proces every single Area By itself.

 

The %s token permits me to insert (and perhaps format) a string. Observe the %s token is replaced by whatsoever I move for the string following the % symbol.

Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges 3 fifteen Notice that this kind of string interpolation is deprecated in favor of the greater effective str.format system.

Discover also that i'm employing a tuple here at the same time (when you only have one particular string employing a tuple is optional) For instance that a number of strings is usually inserted and formatted in one statement.

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Like that it could stand on its own. Delivering an illustration which was such as the instance in the query would also be a additionally.

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