Python dictonary set default

Python default dictonary

from collections import defaultdict

d_int = defaultdict(int)
d_list = defaultdict(list)

def foo():
  return 'default value'
 
d_foo = defaultdict(foo)

>>> d_int
defaultdict(<type 'int'>, {})
>>> d_list
defaultdict(<type 'list'>, {})
>>> d_foo
defaultdict(<function foo at 0x7f34a0a69578>, {})

Source: stackoverflow.com

Python dictonary set default

#!/usr/bin/python

dict = {'Name': 'Zara', 'Age': 7}
print "Value : %s" %  dict.setdefault('Age', None)
print "Value : %s" %  dict.setdefault('Sex', None)

>>Value : 7
>>Value : None

Source: tutorialspoint.com

Similar codes

0 vote159 views1 answer
Python txt to parquet
Python
0 vote216 views1 answer
Difference between __gte and __lte in Django
Python Django
8 votes183 views2 answers
Combine two dataframe in pandas
Python
11 votes158 views1 answer
How to upgrade 3.6 to 3.7 on linux
Python
0 vote191 views1 answer
Dynamic footer in django
Python
6 votes177 views2 answers
Update jupyter notebook
Python
0 vote158 views1 answer
Timedelta
Python
0 vote171 views1 answer
App is not a registered namespace django
Python
0 vote185 views4 answers
AttributeError: 'Database' object has no attribute 'remove'
Python
33 votes157 views4 answers
Change dataframe column type
Python