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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_keyspace_simple(name, replication_factor, durable_writes=True, connections=None):
 """ Creates a keyspace with SimpleStrategy for replica placement If the keyspace already exists, it will not be modified. **This function should be used with caution, especially in production environments. Take care to execute schema modifications in a single context (i.e. not concurrently with other clients).** *There are plans to guard schema-modifying functions with an environment-driven conditional.* :param str name: name of keyspace to create :param int replication_factor: keyspace replication factor, used with :attr:`~.SimpleStrategy` :param bool durable_writes: Write log is bypassed if set to False :param list connections: List of connection names """

    _create_keyspace(name, durable_writes, 'SimpleStrategy',
                     {'replication_factor': replication_factor}, connections=connections)