* Causes fprintf to pad the output until finally it really is n characters broad, exactly where n is definitely an integer benefit saved inside the a perform argument just previous that represented because of the modified variety.
Having said that x.replaceAll("s+", ""); will probably be a lot more productive means of trimming spaces (if string can have a number of contiguous Areas) for the reason that of probably less no of replacements thanks the to proven fact that regex s+ matches one or even more spaces at once and replaces them with vacant string.
so "indent" specifies exactly how much Place to allocate for that string that follows it while in the parameter list.
five @powersource97, %.*s signifies you happen to be studying the precision benefit from an argument, and precision is the utmost number of figures to become printed, and %*s that you are looking at the width value from an argument, which happens to be the bare minimum number os figures to be printed.
This is certainly pretty typical error-checking code for your Python script that accepts command-line arguments.
The primary difference lies in just how it get's taken care of. For those who might have a bunch of (as an example) 3 Areas right adhering to each other s+ takes that team and turns The entire it right into a "", when s would proces every single Room on its own.
The %s token permits me to insert (and most likely structure) a string. Detect which the %s token is changed by whatever I go to the string after the % image.
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 strong str.format method.
Notice also that I am utilizing a tuple in this article too (when you only have one particular string employing a tuple is optional) For instance that a number of strings may be inserted and formatted in one statement.
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For starters you need to realize that closing output of each get more info the statements might be exact same i.e. to remove the many Areas from given string.
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