Remove all trailing white spaces at the end of the input strings
Make one big string out of two smaller strings
05 - Vector Equations 1
multiply by three
Percentage of zeros in a matrix of only 1s and 0s
Perimeter of a semicircle
Sum of unique multiples of 3 and 5
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
Product of all elements in an array
Find NaNs in the matrix
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