<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def one_for_all(self, deps):
 """Because there are dependencies that depend on other dependencies are created lists into other lists. Thus creating this loop create one-dimensional list and remove double packages from dependencies. """

        requires, dependencies = [], []
        deps.reverse()
        # Inverting the list brings the
        # dependencies in order to be installed.
        requires = Utils().dimensional_list(deps)
        dependencies = Utils().remove_dbs(requires)
        return dependencies