def info_index(del_id):
goods_id = -1
for info in goods_info:
if info['id'] == del_id:
goods_id = goods_info.index(info)
return goods_id
刚入门,这段语句是什么意思呀?
def info_index(del_id):
goods_id = -1
for info in goods_info:
if info['id'] == del_id:
goods_id = goods_info.index(info)
return goods_id
刚入门,这段语句是什么意思呀?
这段代码的意思是,定义一个函数,将del_id作为参数,从goods_info列表中的字典里遍历查找键为id值等于del_id时的该字典在列表中的索引,并将索引值赋值给goods_id,作为结果返回。