this code for sphere function for one vectors

please update this code for two vectors with plots

with simple explanations please ***************************************************************

import numpy as np class problem: def __init__(self,dim,bounds,problemNo): self.dim = dim self.bounds= bounds self.problemNo = problemNo def objectiveFunction(self , solution): if self.problemNo== 0: # sphere function fx = 0 for x in solution : fx+= x**2 return fx sphere = problem(2, [5.12,-5.12], 0) solution1 = np.random.uniform(low=-5.12, high=5.12, size=2) objVal = sphere.objectiveFunction(solution1)