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How to Merge Dictionaries and Find Unique Keys in Python

Merge two dictionaries with update(), then use sets to find all unique keys and the keys shared between both dictionaries.

dictionaries sets merge

Python

def merge_and_unique(dict1, dict2):
    merged = dict1.copy()
    merged.update(dict2)
    unique_keys = set(merged.keys())
    common_keys = set(dict1.keys()) & set(dict2.keys())
    return merged, unique_keys, common_keys


if __name__ == "__main__":
    fruits = {"apple": 3, "banana": 5, "orange": 2}
    more_fruit…

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