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They can do a lot more than we're leveraging here, but we'll take it one step at a time.")]),t._v(" "),a("p",[t._v("First we change "),a("code",[t._v("get_prepped_stuff")]),t._v(" to a fixture called "),a("code",[t._v("prepped_stuff")]),t._v(". You want to name your fixtures with nouns rather than verbs because of how the fixtures will end up being used in the test functions themselves later. 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This is done by adding a parameter to their definition that exactly matches the fixture name. When py.test executes, it will run the fixture before running the test, then pass the return value of the fixture into the test function through that parameter. 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