General p-Norm of a Vector

Problem

Compute the p-norm of a vector:

||v||_p = (sum_i |v[i]|^p)^(1/p)

Return None if p <= 0. For p = 1 this is the taxicab norm and for p = 2 the Euclidean norm.

Hint

Raise absolute values to p, sum, then take the p-th root.

case 1

in: [[3,4],2]

expected: 5

case 2

in: [[1,-2,2],1]

expected: 5

case 3

in: [[1],5]

expected: 1

case 4

in: [[0,0],3]

expected: 0

case 5

in: [[1,2],0]

expected: null

Starter codePython

def general_p_norm(v, p):
    # Your code here
    pass

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