We don't need any extra lines

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Inexperienced and, at times, experienced programmers create superfluous code. Just in case. For example, they may declare a couple dozen variables and then not know what to do with them. In this task, someone did something weird, and we get to correct it. Look for unused variables and convert them to comments in order to hide from the compiler.
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Sarah Beth BenesLevel 3 , Savannah
5 June, 11:49
Yeah, and it should also be possible to do a reset to original.
JabedLevel 2 , Detroit
11 September 2019, 14:12
Should automatically generate new similar task after checking the hint for better learning!
YuanLevel 3 , Beijing
16 June 2019, 04:59
Why the result is "53.010babs10", not "5310babs10" ???
yehuda bLevel 17 , Beersheba
12 November 2019, 21:22
Because variable c is a double and doubles are numbers with decimal points, so the variable will always store the value of 53.0 automatically.
ManideepLevel 2 , Noida
18 March 2019, 06:59
where should i comment the unused variables
Jakub MLevel 16 , Ostrava
7 May, 15:16
Actually there is "comment out" - it means to use // (or /*...*/) for the respective line which will be then not processed by program.
Adnan SamiLevel 3 , Karachi
6 February 2019, 10:07
done !!!
Darshan SPLevel 2 , Mysuru
4 February 2019, 10:13
done.!!!!
25 November 2018, 17:11
Finally with help ...I have satisfied this task....pay attention to the details,,,,lesson learned
vikas guptaLevel 3 , Bareilly
12 October 2018, 21:47
/* The comment was deleted */
RomanLevel 41
16 October 2018, 05:42
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