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hey everyone this video Im gonna be showing you how to remove all instances of a particular element from a list but specifically were going to be using a for loop so Im going to do this and the way you would think to do it but theres actually one issue and Ill get to that in a second so you would say for item in backpack what are we gonna do were gonna say if item equals pizza slice so were gonna check to see if its that value and if it is were gonna say backpack dot remove and then pass in item so running this you can see we get exactly the result we want but are we done no not quite and thats because were breaking one of the fundamental principles of being not terrible developer and that is you never remove items from a list when youre using a for loop in Python if youre in another programming language would be the same thing but with a for each loop when you remove items from the list it Jencks up all the indexes and its not gonna work the way you would expect and just