Invert dictionary
Python, Dictionary · Nov 2, 2020
Inverts a dictionary with unique hashable values.
- Use
dictionary.items()in combination with a list comprehension to create a new dictionary with the values and keys inverted.
def invert_dictionary(obj):
return { value: key for key, value in obj.items() }ages = {
'Peter': 10,
'Isabel': 11,
'Anna': 9,
}
invert_dictionary(ages) # { 10: 'Peter', 11: 'Isabel', 9: 'Anna' }
