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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 get_interface_mode(args):
 """Return calculator name The calculator name is obtained from command option arguments where argparse is used. The argument attribute name has to be "{calculator}_mode". Then this method returns {calculator}. """


    calculator_list = ['wien2k', 'abinit', 'qe', 'elk', 'siesta', 'cp2k',
                       'crystal', 'vasp', 'dftbp', 'turbomole']
    for calculator in calculator_list:
        mode = "%s_mode" % calculator
        if mode in args and args.__dict__[mode]:
            return calculator
    return None