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task Non-unique Elements help
Non-unique Elementsdef checkio(data: list) -> list: for i in data: if data.count(i)==1: data.remove(i) return data when run the code above, 2nd example can not pass, but other exapmles are ok. I don't kown why. please help !
def checkio(data: list) -> list: for i in data: if data.count(i)==1: data.remove(i) return data when run the code above, 2nd example can not pass, but other exapmles are ok. I don't kown why. please help !
