Additional test cases have been added.
The title and description/instruction should refer to finding and outputting "means" (plural), not "the mean" (singular). Also, it would have been good for the Test Suite to include both row and column vectors, appropriately paired.
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Program an exclusive OR operation with logical operators
Number of digits in an integer
Element by element multiplication of two vectors
modulus of a number
Vector indexing: lower than mean
Matrix element wise multiplication
Automatic String Editing
Sum two matrices
Matrix Generation from Vector Multiplication
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