.defaultdict

>>> from collections import defaultdict
>>> food_list = 'spam spam spam spam spam spam eggs spam'.split()
>>> food_count = defaultdict(int) # default value of int is 0
>>> for food in food_list:
...     food_count[food] += 1 # increment element's value by 1
...
defaultdict(<type 'int'>, {'eggs': 1, 'spam': 7})
>>>

Source: accelebrate.com

Similar codes

0 vote129 views1 answer
Add variable to print python
Python
0 vote141 views1 answer
Regularization pytorch
Python
2 votes143 views1 answer
Graph implementation in python
Python
-1 vote128 views1 answer
Flask set mime type
Python
1 vote149 views1 answer
Read a function of excel in python
Python
0 vote137 views1 answer
Mechanize python LE #3
Python
0 vote137 views1 answer
Python set match two list
Python
0 vote151 views1 answer
Pandas description of dataframe renaming column values
Python
0 vote131 views1 answer
Extract all namespace from xml file python
Python
0 vote134 views1 answer
Pt_core_news_sm spacy download
Python