python列表可以加可以乘

list=['abcd',786,2.23,'runoob',70.2]
tinylist = [123,'runoob']
print(list)
print(list[0])
print(list[1:3])
print(list[2:])
print(tinylist*2)
print(list+tinylist)
list[0]=1234
print(list)
list2 = [1,]
print(list2)
a,b = [],[1]
print(type(a),type(b)) #<class 'list'> <class 'list'>