.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

14 votes107 views2 answers
Two groupby pandas
Python
3 votes108 views6 answers
Concatenate List
Python
0 vote113 views1 answer
How to use drf pagination directly
Python
0 vote140 views1 answer
Autoscrapper basic code
Python
14 votes132 views5 answers
Pip version
Python
0 vote104 views1 answer
Replace \u00a0
Python
2 votes109 views1 answer
Hide root window tkinter
Python
2 votes97 views1 answer
Give a function a name python
Python
3 votes111 views3 answers
Pandas date_range
Python
-1 vote103 views1 answer
Email validation using django
Python