#!/usr/bin/python3

def sum_n(numbers):
	total=0
	if isinstance(numbers,dict):
		for x in numbers.values():
			total+=1
		return total
	elif isinstance(numbers,tuple):
		for x in numbers:
			total+=x
		return total
	elif isinstance(numbers , (int,float,complex)):
		return numbers
	else:
		for x in numbers:
			total+=x
		return numbers

def main():
	print(sum_n({1:8,2:2,3:4}))
	print(sum_n({8,2,4}))
	print(sum_n(complex(3,5)))


if __name__=="__main__":
	main()