问题描述
我有这两个迭代器:
for i in range(len(list_of_routes)):#
for b in range(len(lines)):
r = lines[b].find(list_of_routes[i])
如何简化?
附言
例如:
list_of_routes = [route1,route2,route3]
lines = [info for route1,info for route2,info for route3,info for route2]
解决方法
您可以使用itertools.product
:
from itertools import product
for route,line in product(list_of_routes,lines):
r = line.find(route)