smart_meter.py

def create_header_row(parameter_numbers, parameter_list):
    '''This function creates the header for a CSV file. 
    The putput of this function should be appended to a CSV file upon creation
    
    Input:
    ------
    Parameter List: A Python list consisting of strings corresponding to all electrical parameters provided by the smart meter
    Parameter Numbers: A Python list corresponding to chosen parameters (to be logged to CSV)

    Output:
    -------
    String of chosen parameters by name separated by comma and line terminated by newline

    Example Usage
    -------------
    parameter_list=['timestamp','W','W1','V1','A1']
    parameter_numbers=[2,3]
    header=create_header_row(parameter_number, parameter_list)

    Then,
    header= 'W1,

    '''
    out=""
    for i in range(len(parameter_numbers)):
        out+= parameter_numbers[parameter_numbers[i]]
    return out+"\n"