hw1 = 'baebtctdeerfagnhoipjeknlemnneompyqtrhsatnuavfwaxlyszeafbrcideenfdg'
hw1[:2]
hw1[::2]


hw2 = 'babycddefoghiijnklgmnwopeqrlsteuvawxryznab'
hw2[::3]


hw3 = "atbccedferfegphsiejkkalmmencoiptqcrasrtp"
hw3[::-2]


hw3 = "atbccedferfegphsiejkkalmmencoiptqcrasrtp"
hw4=hw3[::-1]
hw4[::2]

 
