Find key of value
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'