lis1=[]
for x in range(1,5):
for y in range(1,5):
for z in range(1,5):
if x!=y and y!=z and x!=z:
print(x,y,z)
#
#如何转化格式?
lis1=[]
for x in range(1,5):
for y in range(1,5):
for z in range(1,5):
if x!=y and y!=z and x!=z:
print(x,y,z)
#