如何在同时包含数字和字符串的列表中添加数字

Question

假设我有一个列表如下：

ExampleList = [2,4,7,4,2,"randomword",23,42,2,1,4,-53,"newrandomword",32,5,2,3]

我怎么把数字加起来

Answer 1

您可以使用以下生成器表达式，它将在列表中添加所有ints：

l = [2,4,7,4,2,"randomword",23,42,2,1,4,-53,"newrandomword",32,5,2,3]

sum(i for i in l if isinstance(i,int))
# 80