from functools import reduce
import ast,sys
input_int = int(sys.stdin.read())
num_list = [x for x in range(1, input_int+1)]
print(reduce(lambda x, y : x + y ** 3, num_list) / reduce(lambda x, y : x + y ** ,num_list))
1
solved Compute the ratio of the sum of cube of the first ‘n’ natural numbers to the sum of square of first ‘n’ natural numbers