如何确定元素是否在列表中？

Question

thelist = [{'color':'green', 'time':4}, {'color':'red','time':2},{'color':'blue','time':5}]

我怎么说:

If "red" is in thelist and time does not equal 2 for that element (that's we just got from the list):

Answer 1

使用any()以找出是否有满足条件的元素:

>>> any(item['color'] == 'red' and item['time'] != 2  for item in thelist)
False