when python Code Snippet in 2024
functionintermediate
Last Updated: 16 December 2024
Tests a value, x, against a testing function, conditionally applying a function.
- Check if the value of
predicate(x)isTrueand if so returnwhen_true(x), otherwise returnx.
def when(predicate, when_true): return lambda x: when_true(x) if predicate(x) else x
double_even_numbers = when(lambda x: x % 2 == 0, lambda x : x * 2) double_even_numbers(2) # 4 double_even_numbers(1) # 1
python snippet similar to when For You in December 2024
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