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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def from_row_and_group(row: int, group: int):
 """ Returns an element from a row and group number. Args: row (int):
 Row number group (int):
 Group number .. note:: The 18 group number system is used, i.e., Noble gases are group 18. """

        for sym in _pt_data.keys():
            el = Element(sym)
            if el.row == row and el.group == group:
                return el
        raise ValueError("No element with this row and group!")