def filter_by_length(lst, length):
    """
    This function removes from a list of strings
    all those elements which are shorter than or
    as long as the specified length
    
    Arguments
        lst    : a list of strings
        length : (int) min length of the strings to keep
        
    Returns
        filtered list
    """
    
    return list(filter(lambda x: len(str(x)) > length, lst))