print("\n+++++++++++++++\n\n") ## silly formatting stuff for lecture

myList = [ (x**2 , y**3) for x in range(5) for y in range(4) ]
tempList = [ ]
hisList = [ ] ## to hold a bunch of integers entered at the keyboard

print("how many numbers would you like to give me?")
count = int(input())
print("you told me you'd like to count "+str(count)+ " things.")

for reading in range(count): ## assuming count > 0 !!!!!!
    print("Please enter an integer")
    blah = input()
    hisList.append(int(blah)) ## trusting that they entered an integer !!!
print(hisList)

total = 1
for x in hisList:
    total *= x

print("The product of all those integers = " + str(total))

## let's make a list of all the y-values in myList
y_values = []
for tuply in myList:
    if tuply[1] not in y_values:
        y_values.append(tuply[1])
print("so the list of y values = " +str(y_values)+ "\n")

for y in y_values:
    for tuply in myList:
        if tuply[1] == y:
            tempList.append(tuply)
    print(tempList)
    tempList.clear()



print("\n+++++++++++++++\n") ## ditto, as at the top