The 's' replaces a person Room match at a time though the 's+' replaces the whole Area sequence at the same time with the 2nd parameter.
In this case, it would make no variation, because you are changing anything with the vacant string (Despite the fact that it would be superior to implement s+ from an effectiveness viewpoint). If you had been replacing having a non-empty string, The 2 would behave in a different way. Share Increase this solution Comply with
so "indent" specifies the amount Area to allocate with the string that follows it during the parameter listing.
This is especially significant for associates of our community that are newcomers, and not familiar with the syntax. On condition that, are you able to edit your answer to include a proof of what you're carrying out and why you suspect it is the best technique?
This is certainly rather common mistake-checking code for the Python script that accepts command-line arguments.
Making use of scanf Using the %s conversion specifier will halt scanning at the first whitespace character; by way of example, In the more info event your enter stream seems like
The first one particular matches one whitespace, While the next 1 matches 1 or many whitespaces. They're the so-known as normal expression quantifiers, they usually complete matches similar to this (taken with the documentation):
The %s token allows me to insert (and perhaps format) a string. Observe the %s token is replaced by regardless of what I move to your string after the % image.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges 3 fifteen Be aware that this type of string interpolation is deprecated in favor of the more strong str.structure strategy.
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The width is not laid out in the format string, but as a further integer worth argument previous the argument that needs to be formatted.
Within an eclipsing binary orbited by an Earth like World, would the drops in brightness be noticeable?
If the value is bigger than four character positions wide, the sector width expands to support the appropriate quantity of figures.
The next if statement checks to view If your 'databases-title' you handed to your script in fact exists to the filesystem. If not, you will get a information such as this: