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
Add two numbers
Who knows the last digit of pi?
Whether the input is vector?
How many trades represent all the profit?
Back to basics 20 - singleton dimensions
Back to basics 26 - Keywords
Back to basics 5 - Clipboard
Back to basics 10 - Max Float
Back to basics 24 - Symbolic variables
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