def parse_in_ends(unparsed_string_list):
    """Convert a list of strings to a single space separated string.

    :param unparsed_string_list: String list to be concatenated
    :type unparsed_string_list: list[str]
    :returns: String with parsed in whitespace.
    :rtype: str
    """
    if not isinstance(unparsed_string_list, list):
        raise TypeError(f'Parameter type required is of type list.')
    joined_string = unparsed_string_list[0]
    unparsed_string_list = unparsed_string_list[1:]
    for string in unparsed_string_list:
        joined_string = f'{joined_string} {string}'
    return joined_string
