Hello World

Hello world

#!/bin/sh
echo "Code block"
def spread(arg):
    ret = []
    for i in arg:
        if isinstance(i, list):
            ret.extend(i)
        else:
            ret.append(i)
    return ret

def deep_flatten(xs):
    flat_list = []
    [flat_list.extend(deep_flatten(x)) for x in xs] if isinstance(xs, list) else flat_list.append(xs)
    return flat_list


deep_flatten([1, [2], [[3], 4], 5]) # [1,2,3,4,5]