[Python] Calculating Euclidean Distance

I have the code below to calculate Euclidean Distance. however, my function does basically nothing. It gives no output and not even an error, it just runs and finishes.

lst_a=[1,2,3,4,5]
lst_b=[1,2,4,5,8]

def distance(lst_a, lst_b):
sum_of = 0
for x, y in zip(lst_a, lst_b):
ans = (x - y)**2
sum_of += ans
return (sum_of)**(1/2)

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