/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 vote171 views1 answer
Python setter getter deleter
Python
8 votes191 views4 answers
Set index to column pandas
Python
0 vote174 views1 answer
Ping with python
Python
2 votes187 views1 answer
Python dict exclude keys
Python
0 vote200 views1 answer
Convert all date columns using pd.datetime
Python
44 votes252 views3 answers
Online matplotlib compiler
Python
0 vote209 views1 answer
Csv len python
Python
1 vote178 views4 answers
[] python
Python
1 vote182 views1 answer
How to create file using python cat command
Python
0 vote196 views1 answer
Spotify recommendations
Python

Share