The 's' replaces just one space match at any given time but the 's+' replaces The entire Area sequence simultaneously with the second parameter.
In such cases, it tends to make no change, since you are replacing all the things with the empty string (Whilst it would be greater to use s+ from an efficiency perspective). For those who were replacing by using a non-vacant string, The 2 would behave in another way. Share Enhance this reply Observe
How can it be made a decision that a candidate has gained a point out Though not all of the votes are actually documented?
Using %s in scanf devoid of an explcit field width opens the exact same buffer overflow exploit that receives did; namely, if you will discover much more figures from the enter stream compared to the goal buffer is sized to hold, scanf will happily produce those added figures to memory outdoors the buffer, probably clobbering something critical. Sad to say, unlike in printf, you can't source the sphere with to be a operate time argument:
This can be quite common mistake-examining code to get a Python script that accepts command-line arguments.
The real difference lies in how it get's managed. When you might have a group of (for instance) three spaces immediately following one another s+ can take that group and turns The complete it into a "", whilst s would proces each House on its own.
The %s token makes it possible for me to insert (and likely structure) a string. See which the %s token is changed by whichever I go to your string once the % symbol.
Andrew HareAndrew Hare 351k7575 gold badges645645 silver badges641641 bronze badges 3 fifteen Observe that this sort of string interpolation is deprecated in favor read more of the more powerful str.structure approach.
See also that I am utilizing a tuple in this article too (after you have only a single string utilizing a tuple is optional) For example that numerous strings is often inserted and formatted in a single assertion.
How do I steer clear of Functioning extra time on account of children's deficiency of setting up without the need of harming them too poorly?
If the worth for being output is less than four character positions broad, the worth is right justified in the sphere by default.
This way it could stand By itself. Providing an example that was similar to the example while in the problem would even be a moreover.
Another if assertion checks to find out In the event the 'database-title' you passed to the script basically exists to the filesystem. If not, you will get a message similar to this: