find_key python Code Snippet in 2024
dictionaryintermediate
Last Updated: 18 December 2024
Finds the first key in the provided dictionary that has the given value.
- Use
dictionary.items()andnext()to return the first key that has a value equal toval.
def find_key(dict, val):
return next(key for key, value in dict.items() if value == val)ages = { 'Peter': 10, 'Isabel': 11, 'Anna': 9, } find_key(ages, 11) # 'Isabel'
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