[kehara15]

I have this code written but I keep getting an error.

Can I get some suggestion on my code?

def fun1(myNumList):
    for element in myNumList:
        num1 = element[1]
        num2 = element[2]
        newElement = [num1, num2* num1]
        
        print(newElement) 

 
def fun2(listw):

    for i in range(len(listw)):
       
        print("\nList "+ str(i))

        for n in range(len(listw)):

            print(listw[i][count])
            count=count+1

def main():

    myNumList = [[0,1], [1,2], [2,3], [3,4]]  
    list1=[["MATH","BIO","CS"],[10,15,20],["A","B","C"]]

    fun1(myNumList) 
    fun2(list1)

main()

[fromTheSprawl]

What error do you get?

[kehara15]

Traceback (most recent call last):
File "C:/Users/Kehara Taylor/Desktop/CS177 Files/Lab07.py", line 29, in <module>
main()
File "C:/Users/Kehara Taylor/Desktop/CS177 Files/Lab07.py", line 26, in main
fun1(myNumList)
File "C:/Users/Kehara Taylor/Desktop/CS177 Files/Lab07.py", line 4, in fun1
num2 = element[2]
IndexError: list index out of range

[fromTheSprawl]

Try using 0 and 1 instead? Index should be 0. Also, there's another error waiting for you because count is used even though it isn't assigned yet.

Use 0 and 1 for the element variable indices.

[kehara15]

Okay! So that helped me stop getting an error now.

This is my revised code:

def fun1(myNumList):
    for element in myNumList:
        num1 = element[0]
        num2 = element[1]
        newElement = [num1, num2* num1]
        print(newElement) 

 
def fun2(listw):
    
    for i in range(len(listw)):
       
        print("\nList "+ str(i))
        count = 0
        for n in range(len(listw)):
         
            print(listw[i][count])
            count=count+1

def main():

    myNumList = [[0,1], [1,2], [2,3], [3,4]]  
    list1=[["MATH","BIO","CS"],[10,15,20],["A","B","C"]]

    fun1(myNumList) 
    fun2(list1)

main()

My Outputs should be showing this:
[1, 1]
[2, 4]
[3, 9]
[4, 16]

List 0
MATH
BIO
CS

List 1
10
15
20

List 2
A
B
C

But instead I am getting this:
[0, 0]
[1, 2] THIS SECTION DOESN'T MATCH UP!
[2, 6]
[3, 12]

List 0
MATH
BIO
CS

List 1
10
15
20

List 2
A
B
C

[kehara15]

I changed the line under func1() to this:

Please tell me if this is the best way to do this

newElement = [num1+1, num2* num2]

[fromTheSprawl]

  num1 = element[0]
        num2 = element[1]
        newElement = [num1, num2* num1]

This is the culprit.

With your current set:

[[0,1], [1,2], [2,3], [3,4]] 
0, 0 * 1 = 0, 0
1, 2 * 1 = 1, 2
2, 2 * 3 = 2, 6
3, 4 * 3 = 3, 12

What should be the formula to your new element? I think what you need is the second element multiplied by itself?
From what I infer to your expected output, it should print [element2, element2 * element2].
Is that what you wanted?

EDIT:

Well, from your last post, yes, that is also correct. Maybe yours is the correct one, I just printed the second element since it is the same as your expected input anyway.

[kehara15]

Ok thanks! That does the job too!

[fromTheSprawl]

No problem, use whatever you think will fit your expected behavior.

[kehara15]

Ok I am working on another code!

These are the instructions:
Write a function StudentGPA.
1) One parameter: list of GPAs
2) Create two news lists (listA, listB)
3) Create a loop similar to Example 5-b from Prelab7.
4) Inside the loop you need to check if the GPA is greater or equal to 3.7 (append to listA)or if it is greater or equal to 2.7 and less or equal to 3.6 (append to listB)
5) Return listA and listB


And this is this is the code I started:

def StudentGPA([listA,ListB]):
    listA = []
    listB = []
    for i in range(len()):
        
    print ()
    return listA, listB

Can you tell me if I am on the right track?

[fromTheSprawl]

Too soon to tell, since there's no processing in the function yet. How about this, try running it first when you get it working then if something's wrong, let's check it out.

[kehara15]

I am actually extremely lost on what my next step should be.

[fromTheSprawl]

How would you get the GPA? The segregation part is really simple:

Get GPA
If GPA is greater than 3.7
 append to first list
else if GPA greater than or equal to 3.6 and greater than 2.7
 append to second list
else 
 dump grade

[kehara15]

This is what I have but it is giving me an error at ListA.append()

def StudentGPA(listA,ListB):
    listA = []
    listB = []
    for i in range(len()):
        GPA =eval(input("What is the GPA?")
        if (GPA >= 3.7)
            listA.append()
        else if (GPA >= 2.7 or GPA <= 3.6):
            listB.append()
        else:
            print(GPA)
    return listA, listB

[fromTheSprawl]

It is because to append you need to put in what you need to add, so put in a parameter there inside append.