请问如何用python把两个字符串交换部分字节？

Question

两个八位字符串，前三位和后五位互换或者前两位和后六位互换得到两个新的字符串。

Answer 1

s1 = "12345678"
s1 = s1[3:8] + s1[0:3]
print(s1)
s2 = "abcdefgh"
s2 = s2[2:8] + s2[0:2]
print(s2)

45678123
cdefghab