Additional test cases have been added.
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Summing Digits within Text
Remove the two elements next to NaN value
Calculate the area of a triangle between three points
Make a 1 hot vector
Check for keywords
Basic matlab numeric and string manipulations
Percentage of zeros in a matrix of only 1s and 0s
Sum of unique multiples of 3 and 5
Remove white spaces at the end of the input string
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