Python的条件表达式正是针对这种用例而设计的:
>>> l = [1, 2, 3, 4, 5]>>> ['yes' if v == 1 else 'no' if v == 2 else 'idle' for v in l]['yes', 'no', 'idle', 'idle', 'idle']

Python的条件表达式正是针对这种用例而设计的:
>>> l = [1, 2, 3, 4, 5]>>> ['yes' if v == 1 else 'no' if v == 2 else 'idle' for v in l]['yes', 'no', 'idle', 'idle', 'idle']