dict1 = {'name': 'Alice', 'age': 30}
dict2 = {'city': 'New York', 'occupation': 'Engineer'}
dict3 = {'age': 31, 'status': 'married'} # age will be overwritten by dict3

# Python 3.5+ using dictionary unpacking (preferred)
merged_dict_unpacking = {**dict1, **dict2, **dict3}
print(f"Merged using unpacking: {merged_dict_unpacking}")

# Python 3.9+ using the union operator |
merged_dict_union = dict1 | dict2 | dict3
print(f"Merged using union operator: {merged_dict_union}")

# Using .update() method (modifies in place)
combined_dict = {}
combined_dict.update(dict1)
combined_dict.update(dict2)
combined_dict.update(dict3)
print(f"Merged using .update(): {combined_dict}")