all_unique python Code Snippet in 2024
listbeginner
Last Updated: 15 December 2024
Checks if all the values in a list are unique.
- Use
set()on the given list to keep only unique occurrences. - Use
len()to compare the length of the unique values to the original list.
def all_unique(lst):
return len(lst) == len(set(lst))x = [1, 2, 3, 4, 5, 6] y = [1, 2, 2, 3, 4, 5] all_unique(x) # True all_unique(y) # False
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