python merge dictionaries
dict1 = {'color': 'blue', 'shape': 'square'}
dict2 = {'color': 'red', 'edges': 4}
dict1.update(dict2) #if a key exists in both, it takes the value of the second dict
# dict1 = {'color': 'red', 'shape': 'square', 'edges': 4}
# dict2 is left unchangedcompare two dictionaries in python
def dict_compare(d1, d2):
d1_keys = set(d1.keys())
d2_keys = set(d2.keys())
shared_keys = d1_keys.intersection(d2_keys)
added = d1_keys - d2_keys
removed = d2_keys - d1_keys
modified = {o : (d1[o], d2[o]) for o in shared_keys if d1[o] != d2[o]}
same = set(o for o in shared_keys if d1[o] == d2[o])
return added, removed, modified, same
x = dict(a=1, b=2)
y = dict(a=2, b=2)
added, removed, modified, same = dict_compare(x, y)how to merge two dictionaries in python
>>> x = {'a': 1, 'b': 2}
>>> y = {'b': 10, 'c': 11}
>>> z = {**x, **y} #In Python 3.5 or greater only
>>> print(z)
{'a': 1, 'b': 10, 'c': 11}difference between two dictionaries python
value = { k : second_dict[k] for k in set(second_dict) - set(first_dict) }comparing two dictionaries in python
In [1]: from deepdiff import DeepDiff
In [2]: a = {
...: 'number': 1,
...: 'list': ['one', 'two']
...: }
In [3]: b = {
...: 'list': ['one', 'two'],
...: 'number': 2
...: }
In [4]: diff = DeepDiff(a, b)
In [5]: diff
Out[5]: {'values_changed': {"root['number']": {'new_value': 2, 'old_value': 1}}}Copyright © 2021 Codeinu
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