pythonbook/Python 基础教程/1.7.2 B集合运算 并交补.py

cl1 = {i for i in range(1,10)}
cl2 = {i for i in range(5,15)}


print(cl1,cl2)
print(cl1 | cl2)
print(cl1 & cl2)
print(cl1 - cl2)