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# Left modules

class `sage.categories.left_modules.``LeftModules`(base, name=None)

  Bases: `sage.categories.category_types.Category_over_base_ring`

  The category of left modules left modules over an rng (ring not necessarily with unit), i.e. an abelian group with left multiplation by elements of the rng

  EXAMPLES:

      sage: LeftModules(ZZ)
      Category of left modules over Integer Ring
      sage: LeftModules(ZZ).super_categories()
      [Category of commutative additive groups]

  TESTS:

      sage: TestSuite(LeftModules(ZZ)).run()

  class `ElementMethods`
  class `LeftModules.``ParentMethods`
  `LeftModules.``super_categories`()

    EXAMPLES:

        sage: LeftModules(QQ).super_categories()
        [Category of commutative additive groups]

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