The test set should contain a polynomial with complex roots where the real part is positive, and a polynomial with a positive and a negative root.
Too less test cases
This removes only polinomials if all the roots are positive. Should read 'all' instead of 'any' here.
Remove all the words that end with "ain"
Make a Palindrome Number
Angle between Two Vectors
Find the sum of all the numbers of the input vector
Read a column of numbers and interpolate missing data
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