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.
Check to see if a Sudoku Puzzle is Solved
Convert Roman to Arabic Numerals
Back to basics 8 - Matrix Diagonals
Return 'on' or 'off'
Replace multiples of 5 with NaN
Find my secret number
Without the French accent please!
Replicate elements in vectors
How many monitors are connected ?
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