# checks a string for illegal characters
# string = string to be checked
# allow_chars = allowed characters should be passed as a string
def char_check(string, allow_chars):

    # default allow_chars value
    if allow_chars == None:
        allow_chars = ascii_letters + digits

    #allowed_char = ascii_letters + digits + "_" + "-"
    if set(string).difference(allow_chars):
        return True
    else:
        return False

def dict_key_verify(dictionary, keys, mode="and", *args, **kwargs):
# checks if the dictionary exists, if the key exists as a field and if that fields value is not none
# can be used to check if multiple keys exist
    if mode != "and" and mode != "or":
        mode = "and"
    if type(keys) != list:
        keys = [keys]

    verified = []
    if type(keys) != list:
        keys = [keys]

    for key in keys:
        if type(dictionary) != dict or key not in dictionary or not dictionary[key]:
            verified.append(False)
        else:
            verified.append(True)

    if mode == "and":
        if all(verified) == True:
            return True
    if mode == "or":
        if True in verified:
            return True
    return False


if __name__ == "__main__":
    data = {'name': "joe", 'job': "cuck", 'age': "69"}
    answer = dict_key_verify(data, ['job', 'names'], "and")
    print(answer)