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Change the dir structure slightly

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Marina von Steinkirch 2018-06-14 15:50:29 -07:00
parent 6b6fe21db3
commit 2f4a9638c0
184 changed files with 0 additions and 21 deletions
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27
src/USEFUL/basic_examples/example_defaultdict.py
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@ -1,27 +0,0 @@
#!/usr/bin/env python
__author__ = "bt3"
from collections import defaultdict
def defaultdict_example():
''' show some examples for defaultdicts '''
pairs = {('a', 1), ('b',2), ('c',3)}
d1 = {}
for key, value in pairs:
if key not in d1:
d1[key] = []
d1[key].append(value)
print(d1)
d2 = defaultdict(list)
for key, value in pairs:
d2[key].append(value)
print(d2)
if __name__ == '__main__':
defaultdict_example()