[python]Sum of positive

https://www.codewars.com/kata/5715eaedb436cf5606000381/train/python

Codewars: Train your coding skills

내 코드

# My Code
def positive_sum(arr):
    sum = 0
    for i in arr:
        if i >= 0:
            sum += i
    return sum
 
# Warriors Code
def positive_sum_(arr):
    return sum(x for x in arr if x > 0)
 
if __name__=='__main__':
    answer = positive_sum([1, 2, 3, -1])
    print(answer)