就是这个tuple啊，这个混蛋tuple是不能修改的。

tuple=('曹操','刘备','孙权')

print(tuple[0])

print(tuple[1])

print(tuple[2])

和前面那个列表的输出是一模一样的！

TypeError: 'tuple' object does not support item assignment

TypeError: 'tuple' object does not support item assignment

--------------------------------------------------------------------------------------------

tuple=('曹操','刘备','孙权')

tuple2=("吴佩孚","孙传芳","张作霖")

tuple3=tuple2+tuple

i=0

temp=len(tuple3)

while i<temp:

    print(tuple3[i],end=" ")

    i+=1

---------------------------------------------------------------------------------------------------

tuplex=tuple(list)

TypeError: 'tuple' object is not callable

list=['s','ss','sunqicheng']

tuplex=tuple(list)

print(tuplex)

#现在已经不能直接将list转化为tuple了。