/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 vote324 views1 answer
Python- find multiple values in a column
Python
0 vote291 views1 answer
How to import the whall library in python
Python
2 votes316 views2 answers
Pandas replace null values with values from another column
Python
0 vote311 views1 answer
Python subprocess print stdout while process running
Python
1 vote298 views1 answer
Libreoffice add row at the end of table
Python
0 vote313 views1 answer
Extract all bounding boxes using OpenCV Python
Python
-1 vote321 views2 answers
Information of environment variables in python
Python
2 votes296 views1 answer
Print all keys having same value
Python
0 vote279 views5 answers
Cdf empírica python
Python
1 vote258 views1 answer
Polynomial in python
Python

Share