python append value to dictionary list
import collections
a_dict = collections.defaultdict(list) # a dictionary key --> list (of any stuff)
a_dict["a"].append("hello")
print(a_dict)
>>> defaultdict(<class 'list'>, {'a': ['hello']})
a_dict["a"].append("kite")
print(a_dict)
>>> defaultdict(<class 'list'>, {'a': ['hello', 'kite']})dictionary append value python
d = {1:2}
d.update({2: 4})
print(d) # {1: 2, 2: 4}Copyright © 2021 Codeinu
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