/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 vote143 views1 answer
Tqdm for jupyter notebook
Python
0 vote139 views1 answer
Super title python
Python
0 vote136 views1 answer
How to check if object is of file type in python3
Python
4 votes134 views2 answers
Tty escape
Python
2 votes178 views1 answer
Df count missing values
Python
12 votes135 views4 answers
Python join dict
Python
3 votes141 views1 answer
How does scope work in python
Python
78 votes146 views6 answers
Python sort dict by value
Python
0 vote164 views1 answer
Convert images to JPEG
Python
16 votes142 views2 answers
Install django using pip
Python

Share