1.集合
定义集合:(1)set() (2){}
In [5]: a = {1,2,3,'a','b','c'} # 执行结果:In [5]: a = {1,2,3,'a','b','c'}
In [6]: b = set({1,2,3,'a','b','c'})# 执行结果:In [5]: a = {1,2,3,'a','b','c'}In [5]: a = {1,21.集合
定义集合:(1)set() (2){}
In [5]: a = {1,2,3,'a','b','c'} # 执行结果:In [5]: a = {1,2,3,'a','b','c'}
In [6]: b = set({1,2,3,'a','b','c'})# 执行结果:In [5]: a = {1,2,3,'a','b','c'}In [5]: a = {1,2