micropython-lib/collections.defaultdict/test_defaultdict.py

kopia lustrzana https://github.com/micropython/micropython-lib
from collections import defaultdict

d = defaultdict(lambda:42)
assert d[1] == 42
d[2] = 3
assert d[2] == 3
del d[1]
assert d[1] == 42
collections.defaultdict: Add implementation. In a namespace package. 2014-04-14 18:20:31 +00:00			`from collections import defaultdict`

			`d = defaultdict(lambda:42)`
			`assert d[1] == 42`
			`d[2] = 3`
			`assert d[2] == 3`
			`del d[1]`
			`assert d[1] == 42`