Topics:
1. Counter from Collections
2. Defaultdict from Collections
1. Counter from Collections
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from collections import Counter
nlist = ["b", "e", "a", "e", "c", "e", "c", "d"]
print(Counter(nlist))
print(type(Counter(nlist)))
print(Counter(nlist)['e'])
from collections import Counter
nlist = ["b", "e", "a", "e", "c", "e", "c", "d"]
print(Counter(nlist))
print(type(Counter(nlist)))
print(Counter(nlist)['e'])
sentence = "The alphabet a to Z."
print(Counter(sentence))
print(type(Counter(sentence)))
print(Counter(sentence)['e'])
2. Defaultdict from Collections
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from collections import defaultdict
mydefaultdict = defaultdict(lambda: 'Sorry, not a key.',{'a':5, 'b':2})
print(mydefaultdict['c'])
mydict = {'a':5, 'b':2}
print(mydict['c'])
#End
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