import sys

class Calculation:
    def __init__(self, numbersFromTheUser): # THIS METHOD IS RUN WHEN WE CALL Calculation()
        self.theNumbers = numbersFromTheUser
        # WE SAVE numbersFromTheUser IN self.theNumbers
        # THE OTHER METHODS IN Calculation WILL USE self.theNumbers

    #Define a function that determines number of arguments
    def number(self):
        return len(self.theNumbers)

    #Define a function that determines mean of arguments
    def mean(self):
        sum = 0
        for i in self.theNumbers:
            sum = sum + int(i)
        return sum/len(self.theNumbers)

    #Define a function that determines median of the arguments
    def median(self):
        sorted_array = sorted(self.theNumbers) #Arrange list in order
        if len(self.theNumbers) % 2 == 0: #Determine if there are an even number of arguments
            left = int(sorted_array[int((len(self.theNumbers))/2-1)])
            right = int(sorted_array[int((len(self.theNumbers))/2)])
            return (left + right)/2 #If even, return the average of the two middle                                                                                        values
        else:
            return sorted_array[int((len(self.theNumbers))/2)] #If odd, return the middle value

    #Define a function that determines mode of the arguments
    def mode(self):
        return max(self.theNumbers, key=self.theNumbers.count)

    #Define a function that determines mode of the arguments
    def midpoint(self):
        return (float(max(self.theNumbers))-float(min(self.theNumbers)))/2+float(min(self.theNumbers))

    def __repr__(self):
        return 'Numbers: ' + str(self.theNumbers)



arguments = sys.argv[1::] #Slice out the [0] entry from sys.argv
print("Input space seaprated numers:\n")
line = next(sys.stdin)

def get_value(val):
  try:
    return int(val)
  except:
    return len(val)

arguments = [get_value(item) for item in line.split()]
print(arguments)

if not len(arguments):
  raise Exception("Must suply numeric arguments")

calculationObj = Calculation(arguments) # THIS RUNS THE CODE IN __init__().
# `arguments` IS PASSED FOR THE `numbersFromTheUser` PARAMETER IN __init__()

print('The number of arguments is {}'.format(calculationObj.number())) # THIS RUNS THE number() METHOD
print(arguments)
print('The mean of the arguments is {}'.format(calculationObj.mean()))
print('The median of the arguments is {}'.format(calculationObj.median()))
print('The mode of the arguments is {}'.format(calculationObj.mode()))
print('The mid point of the arguments is {}'.format(calculationObj.midpoint()))


# DELETE THIS PART:
calcObj2 = Calculation([1, 2, 3, 4, 5])
calcObj3 = Calculation([10, 20, 30, 40])
print(calcObj2.mean())
print(calcObj3.mean())
calcObj2