In the place of "Find the sum of all products whose...", I would say: "Find the number of all products whose..." ;-)
Why  instead of 0?
Since I have kludged a solution together, can I have a hint?
this solution works on my comupter
I see the first test command line is corrupted
:( :( :(
I've fixed that first line in the test suite. Try it again.
Clock Hand Angle 1
Back to basics 15 - classes
Back to basics 20 - singleton dimensions
Test if two numbers have the same digits
Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
Chess ELO rating system
Decrypt the cypher using XOR encryption (for beginners)
Mirror, mirror on the wall, who is fairest of them all?
Getting the indices from a matrice
Permute diagonal and antidiagonal
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