from typing import Iterable


def isiterable(obj):
    """Function that determines if an object is an iterable, not including 
    str.

    Parameters
    ----------
    obj : object
        Object to test if it is an iterable.

    Returns
    -------
    bool : bool
        True if the obj is an iterable, False if not.
    """
    if isinstance(obj, str):
        return False
    else:
        return isinstance(obj, Iterable)