FMR6.py

CheckEven = lambda No : (No % 2 == 0)

Doubles = lambda No: No * 2

Sum = lambda A, B : A + B


def filterX(Helper_Function, Data):
    Result = []
    for No in Data:
        if (Helper_Function(No) == True):
            Result.append(No)

    return Result


def mapX(Helper_Function, Data):
    Result = []
    for No in Data:
        Value = Helper_Function(No)
        Result.append(Value)

    return Result

def reduceX(Helper_Function, Data):
    Ans = 0
    for no in Data:
        Ans = Helper_Function(Ans, no)

    return Ans

def main():
    print("Enter number of elements you want to enter : ")
    iSize = int(input())

    Data_Input = []
    print("Please enter the data ")
    for iCnt in range(0, iSize, 1):
        Value = int(input())
        Data_Input.append(Value)

    print("Data is : ", Data_Input)

    Data_Filter = filterX(CheckEven, Data_Input)

    print("Data after filter is : ", Data_Filter)

    Data_Map = mapX(Doubles, Data_Filter)

    print("Data after map is : ", Data_Map)

    Output = reduceX(Sum, Data_Map)

    print("Result after reduce is : ", Output)


if __name__ == "__main__":
    main()