python循环结构注意点

a='174,46|75,89|189,36'
list_1=a.split('|')
for l in list_1:
	xy_list=[]
	x=l.split(',')[0]
	y=l.split(',')[1]
	xy_list.append(x)
	xy_list.append(y)
	print(xy_list)

　

a='174,46|75,89|189,36'
list_1=a.split('|')
xy_list=[]
for l in list_1:
    x=l.split(',')[0]
    y=l.split(',')[1]
    xy_list.append(x)
    xy_list.append(y)
    print(xy_list)