CollectionTypes in Python
Create Dict
## 1
from collections import defaultdict
d = defaultdict(lambda: 0)
for i in xrange(100):
d[i % 10] += 1
## 2
d = dict()
for i in xrange(100):
key = i % 10
d[key] = d.get(key, 0) + 1
## 1
from collections import defaultdict
d = defaultdict(lambda: 0)
for i in xrange(100):
d[i % 10] += 1
## 2
d = dict()
for i in xrange(100):
key = i % 10
d[key] = d.get(key, 0) + 1