Covering some basic topics I haven't seen elsewhere on Cody.
Given an input vector of numbers, output a square array with the vector as the main diagonal and all other elements = 0.
1 0 0 0
0 2 0 0
0 0 3 0
0 0 0 4
Replace May with April
sum of non-primes
Produce a sine wave
Back to basics 10 - Max Float
Back to basics 23 - Triangular matrix
Back to basics 9 - Indexed References
Back to basics 19 - character types
Back to basics 26 - Keywords
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