Question de base en Python

result = []
for codestr in string_list_A:
    codes = codestr[1:-1].split(', ')
    for code in codes:
        if code[1:-1] in string_list_B:
            result.append(codestr)

result=[]
[[result.append(codestr) for code in codestr[1:-1].split(',') if code[1:-1] in string_list_B.values] for codestr in  string_list_A]