# -*- coding: utf-8 -*- """ Created on Mon Apr 16 18:23:58 2018 @author: stkarlos """ #compute the sum S = 2^5 + 4^8 - 6^11 + 8^14 - ... + 20^32 s = 2**5 j = 8 k = 2 for i in range(4,21,2): print 'the current term is: %d ** %d' %(i,j) s = s + (i ** j) * (-1) ** k j = j + 3 k = k + 1 print s print 'telos for' print print "##############" print s1 = 2**5 j = 8 k = 2 i = 4 #1o simeio while i <= 20 : #3o simeio print 'the current term is: %d ** %d' %(i,j) s1 = s1 + (i ** j) * (-1) ** k j = j + 3 k = k + 1 i = i + 2 #2o simeio print s1 print 'telos while'