#python3.0 两个乒乓球队进行比赛，各出三人。甲队为a,b,c三人，乙队为x,y,z三人。已抽签决定比赛名单。有人向队员打听比赛的名单。a说他不和x比，c说他不和x,z比，请编程序找出三队赛手的名单。
List= ['x', 'y', 'z']
for a in List:
for b in List:
for c in List:
if a != c and b != c and a != b:
if a != 'x' and c != 'x' and c != 'z':
print('a的对手是%s\n b的对手是%s\n c的对手是%s' % (a, b, c))
