Covering some basic topics I haven't seen elsewhere on Cody.
Return a string that is the path to the system's current temp directory
The assert is wrong. Dirs should not be tested as equal strings - slash can be omitted.
Sum all integers from 1 to 2^n
Back to basics 6 - Column Vector
Sum the Digits of a Number
Back to basics 14 - Keywords
Back to basics 1 - Saving
Back to basics 23 - Triangular matrix
Back to basics 18 - justification
Bottles of beer
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