.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 vote154 views1 answer
Pandas read csv file header column not equal data columns
Python
0 vote152 views1 answer
Newtorkx remove node
Python
0 vote143 views3 answers
How to make index column as a normal column
Python
0 vote142 views1 answer
Pyspark check all columns for null values
Python
2 votes184 views2 answers
ModuleNotFoundError: No module named 'Cython'
Python
3 votes156 views6 answers
Fizz buzz python
Python
1 vote159 views1 answer
How to write a dict in pytohn
Python
0 vote152 views1 answer
Setting spacing between ticks in matplotlib
Python
0 vote150 views1 answer
Pandas dataframe from array of dict
Python
0 vote143 views1 answer
Batch a list python
Python