<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def find_organization(session, name):
 """Find an organization. Find an organization by its `name` using the given `session`. When the organization does not exist the function will return `None`. :param session: database session :param name: name of the organization to find :returns: an organization object; `None` when the organization does not exist """

    organization = session.query(Organization). \
        filter(Organization.name == name).first()

    return organization