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[Music] whats up guys this episode were gonna be talking about some Ruby basics specifically the difference between strings and symbols in Ruby and why rails tends to use symbols all over the place this is something that confused me a lot as a beginner and coming from Python or another language that where theres only strings its hard to understand why we had symbols and what they were useful for so thats why I want to explain in this episode so lets open up the rails console and take a look at strings versus symbols really fast so a string is anything where its got characters inside of double quotes or single quotes if you create this its going to then go take those characters put them in memory somewhere and whenever you stop referencing them it removes that when youre not needing it anymore if you remove all references to that then it will get rid of it so if you do that inside of a method when the method ends it will remove those strings remembering because you dont need