首页 > itarticle > python对字典进行划分

python对字典进行划分

admin 11月 14, 2020 0

code

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Date    : 2017-09-01 15:38:11
# @Author  : 60ke ([email protected])
# @Link    : http://www.worileqing.top
# @Version : $Id$

import os
list = ['a1','a2','a3','b1','b2','b3','c1']
num = len(list)
data = {}
for i in range(num):
    try:
        print(data['%s'%list[i][0]])
    except:
        data['%s'%list[i][0]]=[]
    if list[i][0] in data:
        data['%s'%list[i][0]].append(list[i])
print(data)

result：

[‘a1’]
[‘a1’, ‘a2’]
[‘b1’]
[‘b1’, ‘b2’]
{‘a’: [‘a1’, ‘a2’, ‘a3’], ‘b’: [‘b1’, ‘b2’, ‘b3’], ‘c’: [‘c1’]}