1 from itertools import chain
 2 #并行连接
 3 print("---------------原始数据-------------------")
 4 a = [1,2,3,4,5]
 5 b = (‘a‘,‘b‘,‘c‘,‘d‘,‘e‘)
 6 c = "ABCDE"
 7 print(a)
 8 print(b)
 9 print(c)
10 print("---------------并行连接-------------------")
11 d = zip(a,b,c)
12 print(d)
13 for x,y,z in d:
14     print(x,y,z)
15 print("---------------串行连接-------------------")
16 e = chain(a,b,c)
17 print(e)
18 for i in e:
19     print(i)