Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9
Reverse the vector
Switch matrix to a column vector
Calculate square and cube of number
Square root of a number
Find out sum of all elements of given Matrix
Check transmitted data follow even parity (True or false)
Union of two set decreasing order
Find the 9's Complement
Convert decimal to hex as shown in test cases
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