data_migrado = []
for csv in data_csv:
    central = csv[0]
    customer_group = csv[1]
    ncos = csv[2]
    fecha = csv[3]
    host = csv[4]
    lens = csv[5]
    linea = csv[6]
    gwc = csv[7]
    for csv1 in data_csv1:
        if linea in csv1[6]:
            if gwc == 'N/A':
                continue
            else:
                data_migrado.append([central, linea, customer_group, ncos, fecha, lens, csv1[5]])
return data_migrado

esto:
gwc = csv[7]
for csv1 in data_csv1:
   if linea in csv1[6]:
       if gwc == 'N/A':
           continue

if linea in csv1[6]:

gwc = csv[7] # Son registros que se tienen: GWC 1, GWC2 ...., N/A
for csv1 in data_csv1:
   if linea in csv1[6]: # Acá estoy verificando que las lineas "numeros" sean iguales o estén en ambos recorridos
       if gwc == 'N/A': # Acá necesito quedarme solo con los registros que sean diferente de N/A
           continue

data_migrado = []
for csv in data_csv:
    central = csv[0]
    customer_group = csv[1]
    ncos = csv[2]
    fecha = csv[3]
    host = csv[4]
    lens = csv[5]
    linea = csv[6]
    gwc = csv[7]
    if gwc == 'N/A':
        for csv1 in data_csv1:
            if linea in csv1[6]:
                data_migrado.append([central, linea, customer_group, ncos, fecha, lens, csv1[5]])
return data_migrado

data_filter = [csv for csv in data_csv if csv[7]!="N/A"]
for csv1 in data_csv1:
    if data_filter[6] in csv1[6]:
        data_migrado.append([data_filter[0], data_filter[6], data_filter[1], data_filter[2], data_filter[3], data_filter[5], csv1[5]])

data_migrado = []
for csv in data_csv:
    central = csv[0]
    customer_group = csv[1]
    ncos = csv[2]
    fecha = csv[3]
    host = csv[4]
    lens = csv[5]
    linea = csv[6]
    gwc = csv[7]
    if gwc == 'N/A':
        for csv1 in data_csv1:
            if linea in csv1[6]:
                data_migrado.append([central, linea, customer_group, ncos, fecha, lens, csv1[5]])
return data_migrado