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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 _cleanup_slsmod_high_data(high_data):
    '''
    Set "slsmod" keys to None to make
    high_data JSON serializable
    '''
    for i in six.itervalues(high_data):
        if 'stateconf' in i:
            stateconf_data = i['stateconf'][1]
            if 'slsmod' in stateconf_data:
                stateconf_data['slsmod'] = None