Count number of words in string
'hi', answer is 1
'hi hi', answer is 2
'I enjoy cody', answer is 3
Inner product of two vectors
Number of Circles in a Number
Matrix indexing with two vectors of indices
Rounding off numbers to n decimals
Add one raw in given matrix as shown in example
Find out rooms, peak to peak, average for a square wave.
Transpose of matrix
Do operation as per given string
Is it column vector?
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