Python Documentation Function reduce

Function defined in library functools

reduce(function, sequence)

Repetedly call a function with the elements of a sequence from left to right, accumulating the result.

Optionally, an initial value can be used to start the accumulation.

Parameters

functionA function that combines the accumulated value with an element of the sequence

sequenceA sequence of elements

Return

The accumulated value

Examples

Code

reduce(lambda acc, s: acc + ' ' + s, ['PyTamaro', 'is', 'cool'])

Result

'PyTamaro is cool'

Logo of PyTamaro