将整数添加到python列表中的特定项目？

Question

我想在python的列表中为一系列项添加一些整数.

我知道如果你想为列表中的每个项添加一个整数,这是正确的:

A = 2
B = 5
C = 6
mylist = [1,2,3,4,5,6,7,8]
mylist[:] = [i+C for i in mylist]
print mylist

但我想将C添加到项目A到B中,以便不会产生此列表:

mylist = [7,8,9,10,11,12,13,14]

我会得到这个清单:

mylist = [1,2,*9*,*10*,*11*,*12*,7,8]

有没有办法做到这一点？

谢谢

Answer 1

分配到列表的切片:

>>> A = 2
>>> B = 5
>>> C = 6
>>> mylist = [1,2,3,4,5,6,7,8]
>>> mylist[A:B+1] = [i+C for i in mylist[A:B+1]]
>>> mylist
[1, 2, 9, 10, 11, 12, 7, 8]
>>>