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']})append dictionary python
>>> d1 = {1: 1, 2: 2}
>>> d2 = {2: 'ha!', 3: 3}
>>> d1.update(d2)
>>> d1
{1: 1, 2: 'ha!', 3: 3}Copyright © 2021 Codeinu
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