Additional test cases have been added.
I like this solution ! Simple and easy to read.
it took me quite a while to figure this one out.your coding thought keep stunning me.amazing idea!
Using forward&backward compare,don't see that before,awesome.
Sums with Excluded Digits
It dseon't mettar waht oedrr the lrettes in a wrod are.
Swap the input arguments
sum of non-primes
Find the nearest prime number
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