TASK_12

def atMaxTwo(inputList):
    dictionary = {}
    for key in inputList:
        if key in dictionary.keys():
            dictionary[key] += 1
        else:
            dictionary[key] = 1
    newList = []
    counter = 0
    for key, value in dictionary.items():
        if value > 2:
            counter += (value - 2)
            dictionary[key] = value - 2

        for i in range(0, dictionary[key]):
            newList.append(key)

    print("Removed: "+str(counter))
    return newList


lst = atMaxTwo([10, 10, 15, 15, 20])