python 如何实现 Key 对应的 value 不断加一?

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This topic created in 3673 days ago, the information mentioned may be changed or developed.

record = {'example' : 0}
for i in range(0,10):
　　 record['example'] = record['example']所对应的 value+1

关键问题在于「 record['example']所对应的 value 」该怎么写?

record

value

对应

Python

6 replies • 2016-09-17 02:56:58 +08:00

loveersoldier

Sep 5, 2016

record['example'] += 1

NaVient

Sep 5, 2016

record['example']就是对应的 value 啊

beviniy

Sep 6, 2016

from itertools import Counter

TKKONE

PRO

Sep 6, 2016

突然觉得很囧

wind3110991

Sep 12, 2016

record = {'example' : 0}
for i in range(0,10):
　　 record['example'] = record['example'] + 1

print record['example']

romanticbao

Sep 17, 2016

record = {}
DEFAULT_VALUE = 0
for item in data_list:
record[item] = record.get(item, DEFAULT_VALUE) + 1