Skip to content

Invert dictionary

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' }

More like this

Python · November 2, 2020
Invert dictionary

Inverts a dictionary with non-unique hashable values.
Python · April 4, 2021
Combine dictionary values

Combines two or more dictionaries, creating a list of values for each key.
Python · January 8, 2021
Sort dictionary by value

Sorts the given dictionary by value.
Python · October 28, 2020
Get nested value

Retrieves the value of the nested key indicated by the given selector list from a dictionary or list.