Test for randomness could be tightened (cf. Solution 1490988).
Find the numeric mean of the prime numbers in a matrix.
So many choices
Stuff the Board
Number of Horns on a unicorn!
07 - Common functions and indexing 5
07 - Common functions and indexing 6
02 - Vector Variables 1
03 - Matrix Variables 4
03 - Matrix Variables 5
07 - Common functions and indexing 3
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