Return the number of days in a given month in 2017. If the input is not a valid month number, return -1.
Input: m = 1
Outpu: d = 31
Input: m = 2
Output: d = 28
Input: m = 13
Output: d = -1
You cannot use IF statements
Back to basics 6 - Column Vector
Try 1.5.4: Celsius to Fahrenheit
Find the product of a Vector
Create a vector
Square root of a number
Remove the air bubbles from a vector
Sum of adjacent elements in a vector
Vertical matrix sort
Sum of Two Numbers
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