一键多值字典
# -*- coding:utf-8 -*-
from collections import defaultdict
d=defaultdict(list)
d['1'].append("a")
d['1'].append("b")
d['1'].append("c")
d['2'].append("a")
d['2'].append("b")
d['2'].append("c")
print(d)
一键多值字典
# -*- coding:utf-8 -*-
from collections import defaultdict
d=defaultdict(list)
d['1'].append("a")
d['1'].append("b")
d['1'].append("c")
d['2'].append("a")
d['2'].append("b")
d['2'].append("c")
print(d)