Vector Subtraction

Problem

Subtract two equal-length vectors elementwise.

Return a new list where the i-th entry is a[i] - b[i]. Both inputs always have the same length.

Hint

Zip the vectors and subtract the paired entries.

case 1

in: [[1,2,3],[4,5,6]]

expected: [-3,-3,-3]

case 2

in: [[0,0],[0,0]]

expected: [0,0]

case 3

in: [[5],[7]]

expected: [-2]

case 4

in: [[1.5,-2],[0.5,0.5]]

expected: [1,-2.5]

case 5

in: [[-1,0,2],[-3,-4,-5]]

expected: [2,4,7]

Starter codePython

def vector_subtract(a, b):
    # Your code here
    pass

5 test cases · run your code against them in the editor