<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def create(self, name, nopassword=None, secret=None, encryption=None):
 """Creates a new user on the local system. Creating users requires either a secret (password) or the nopassword keyword to be specified. Args: name (str):
 The name of the user to craete nopassword (bool):
 Configures the user to be able to authenticate without a password challenage secret (str):
 The secret (password) to assign to this user encryption (str):
 Specifies how the secret is encoded. Valid values are "cleartext", "md5", "sha512". The default is "cleartext" Returns: True if the operation was successful otherwise False Raises: TypeError: if the required arguments are not satisfied """

        if secret is not None:
            return self.create_with_secret(name, secret, encryption)
        elif nopassword is True:
            return self.create_with_nopassword(name)
        else:
            raise TypeError('either "nopassword" or "secret" must be '
                            'specified to create a user')