For a given input string str, find how many spaces are there in the string and replace those spaces with *
e.g. str = 'this is demo of replacing spaces with stars';
out = 'this*is*demo*of*replacing*spaces*with*stars'
Find the sum of all the numbers of the input vector
vectorization in N
Back to basics 22 - Rotate a matrix
Getting the indices from a matrice
Vector of numbers divisible by 3
Return the names and values of the input arguments of a function
Best Fit RMS
Create a v-notch vector without "sort" function
Matrix to column conversion
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