techy.py

from operator import mul

def get_products_of_all_ints_except_at_index(lst):
    """
    Returns array of products of all ints except index, for given array of ints.
    e.g., [1, 7, 3, 4] returns [84, 12, 28, 21] by calculating [7*3*4, 1*3*4, 1*7*4, 1*7*3] 
    """
    product_lst = []
    for idx in range(len(lst)):
        except_at_index = lst[:idx] + lst[idx+1:]
        product_lst.append(reduce(mul, except_at_index))
    return product_lst