/Python/Python dictionary append value if key exists

Python dictionary append value if key exists

Append to list in dictionary python if exists

dic.setdefault(key,[]).append(value)

1

Source: stackoverflow.com

Python dictionary append value if key exists

from collections import defaultdict
d = defaultdict(list)
d['key'].append('mykey')

-1

Source: stackoverflow.com

Similar codes

0 vote221 views1 answer
Sowpods python
Python
11 votes190 views6 answers
If statement in python
Python
25 votes229 views6 answers
Find max value in list python
Python
7 votes218 views3 answers
Python pattern match
Python
0 vote220 views1 answer
Dict keys
Python
1 vote244 views2 answers
Django drop database postgres
Python Django
2 votes211 views3 answers
Python logger get level
Python
0 vote212 views1 answer
Python transform two columns to a list combine
Python
29 votes229 views2 answers
Python initialize array
Python
16 votes225 views3 answers
How to code music in python
Python

Share