In a matrix, A = [1,2;3,4]
raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274
Return the first and last character of a string
Matrix with different incremental runs
Say something funny
Determine the number of odd integers in a vector
Find the area of a rectangle if length of the diagonal is given.
Check if there are white spaces in the input string
Percentage of zeros in a matrix of only 1s and 0s
Nth root of a number
Capitalized string operations
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