The 's' replaces a single Place match at any given time though the 's+' replaces The complete House sequence without delay with the 2nd parameter.
In this instance, it makes no variation, because you are changing every little thing having an empty string (While it would be far better to employ s+ from an efficiency point of view). When you were being changing having a non-empty string, The 2 would behave differently. Share Strengthen this solution Stick to
so "indent" specifies exactly how much Place to allocate to the string that follows it while in the parameter list.
This is especially crucial for associates of our community who are newbies, and not acquainted with the syntax. Given that, could you edit your remedy to include an explanation of Anything you're accomplishing and why you think it is the best solution?
This is certainly relatively conventional error-checking code for your Python script that accepts command-line arguments.
The primary difference lies in just how it get's handled. In the event you would have a gaggle of (such as) three spaces straight following one another s+ normally takes that group and turns The complete it into a "", whilst s would proces each House on its own.
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The %s token enables me to insert (and perhaps format) a string. Observe the %s token is replaced by whatsoever I move on the string following the % symbol.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges three 15 Be aware that this type of string interpolation is deprecated in favor get more info of the more potent str.structure strategy.
Detect also that i'm using a tuple below as well (if you have only 1 string utilizing a tuple is optional) As an instance that numerous strings might be inserted and formatted in a single assertion.
How can I avoid Functioning extra time resulting from children's deficiency of scheduling without harming them too poorly?
Within an eclipsing binary orbited by an Earth like planet, would the drops in brightness be visible?
To start with you might want to realize that closing output of each the statements might be same i.e. to remove every one of the Areas from specified string.
Another if assertion checks to find out In the event the 'databases-title' you passed to your script essentially exists about the filesystem. Otherwise, you'll get a information such as this: