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whatamp;#39;s up guys weamp;#39;re back with another video in my iOS interview questions and answer series and today weamp;#39;re going to be talking about the many ways you can unwrap optionals now Iamp;#39;m going to give a brief overview of what optionals are but thatamp;#39;s not really what the video is about itamp;#39;s about the different methods of actually unwrapping the optional now this is a pretty basic topic however it was asked in about 60 to 70% of my interviews so I definitely wanted it included in this series all right letamp;#39;s go to start off letamp;#39;s give a quick overview about what an optional is again this video isnamp;#39;t what are optionals itamp;#39;s about how to unwrap them but just a quick overview so let me just Define one real quick so letamp;#39;s do VAR say optional number and it type int question mark So optionals allow you to write flexible and more safe code so this variable called optional number of type int can either be you know