The 's' replaces just one House match at any given time though the 's+' replaces The complete House sequence at once with the 2nd parameter.
In such cases, it tends to make no variance, because you are replacing almost everything with an empty string (Despite the fact that It will be far better to implement s+ from an performance point of view). In case you were being changing with a non-empty string, The 2 would behave in a different way. Share Boost this remedy Abide by
so "indent" specifies how much House to allocate for that string that follows it while in the parameter list.
This is very vital for users of our Local community that are newcomers, and never knowledgeable about the syntax. Given that, can you edit your respond to to incorporate an explanation of what you're accomplishing and why you think it is the best approach?
This is often reasonably standard error-checking code for just a Python script that accepts command-line arguments.
The main difference lies in the way in which it get's handled. In the event you would've a bunch of (by way of example) 3 Areas specifically pursuing each other s+ takes that team and turns The full it into a "", though s would proces just about every Room By itself.
And because your second parameter is empty string "", there is absolutely no distinction between the output of two scenarios.
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The width isn't laid out in the structure string, but as an extra integer value argument previous the argument that needs to be formatted.
If the worth to become output is less than 4 character positions broad, the worth is right justified in the here sector by default.
Like that it could stand on its own. Delivering an illustration which was such as the instance during the query would also be a furthermore.
The next if assertion checks to find out In the event the 'databases-title' you passed to your script in fact exists within the filesystem. Otherwise, you'll get a information such as this: