根据以前的条件更改列表中的值 [英] Change Value in a list based on previous condition

问题描述

我有一个零和一的列表.我试图将0的值1替换为0，如果对于所需的输出，先前的值也是1，如下所示.

I have a list of zeros and ones. I am trying to replace the a value of 1 with a 0 if the previous value is also a 1 for a desired output as shown below.

list =     [1,1,1,0,0,0,1,0,1,1,0]
new_list = [1,0,0,0,0,0,1,0,1,0,0]

我尝试使用for循环无济于事.有什么建议吗?

I've tried using a for loop to no avail. Any suggestions?

推荐答案

此for循环怎么样:

list =     [1,1,1,0,0,0,1,0,1,1,0]
new_list = []

ant=0
for i in list:
    if ant ==0 and i==1:
        new_list.append(1)
    else:
        new_list.append(0)
    ant=i

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