Iterate through excel file Pandas If NaN values in column L replace with value in column G If NaN values in column M replace with value in column H If NaN values in column N replace with value in column I If NaN values in column O replace with value in column J If NaN values in column P replace with value in column K

def get_name(row):
    if pd.isnull(row['L']):
        return row['G']
    elif pd.isnull(row['M']):
        return row['H']
    elif pd.isnull(row['N']):
        return row['I']
    elif pd.isnull(row['O']):
        return row['J']
    elif pd.isnull(row['P']):
        return row['K']
    else:
        return row['L']
    
df.apply(get_name, axis=1)