reduce_()

Reduce implementation for test compatibility.

Implementation

Args: iterable: The collection to reduce func: The reducer function initial: Initial value Returns: The reduced value

Example

reduce_([1, 2, 3], lambda x, y: x + y)

Expected output: 6

Source Code

                        def reduce_(iterable, func, initial=None):
    if initial is None:
        iterator = iter(iterable)
        try:
            initial = next(iterator)
        except StopIteration:
            raise TypeError("reduce() of empty sequence with no initial value")
        iterable = iterator
    
    result = initial
    for item in iterable:
        result = func(result, item)
    return result
                    