怎么用python编写函数fun(),S=(1+1/2)+(1/3+1/4)+⋯+(1/(2n-1)+1/2n)
def get_sum(n): sum = 0 for value in range(1, n+1): sum += ((1 / (2 * value - 1)) + (1 / (2 * n))) return sum if __name__ == "__main__": print(get_sum(1))