def freqQuery(queries):
    '''
    Function to conduct the operation as defined in the query list upon an array

    Inputs:
    queries         - [List(tuples)] List containing tuples with (actionType, value)

    Returns:
    None
    '''
    myArray = []
    outputArray = []
    
    for query in queries:
        queryValue = query[1]
        
        # debug
        print(f"myArray: {myArray}")
        print(f"query type: {query[0]}, query value: {queryValue}")
        
        # Check type of query and perform mentioned action
        match query[0]:
            case 1:
                # Append to list
                myArray.append(queryValue)
            case 2:
                # Convert to set and check if the element exists
                mySet = set(myArray)
                if mySet.intersection([queryValue]):
                    myArray.remove(queryValue)
            case 3:
                # Create a dictinoary of frequencies
                myDict = dict(())
                for element in myArray:
                    count = 0
                    if myDict.get(element) == None:
                        myDict.update({element: count+1})
                    else:
                        myDict.update({element: myDict.get(element)+ 1})

                # Convert the dict to list for easy iteration
                frequencies = list(myDict.items())
                
                # Check for matching or NO frequencies
                if not frequencies:
                    outputArray.append(0)
                else:
                    for index, frequency in enumerate(frequencies):
                        if frequency[1] == queryValue:
                            outputArray.append(1)
                            break
                        else:
                            outputArray.append(0)
                            break
                             
    return outputArray